CData Cloud offers access to Microsoft Excel Online across several standard services and protocols, in a cloud-hosted solution. Any application that can connect to a SQL Server database can connect to Microsoft Excel Online through CData Cloud.
CData Cloud allows you to standardize and configure connections to Microsoft Excel Online as though it were any other OData endpoint or standard SQL Server.
This page provides a guide to Establishing a Connection to Microsoft Excel Online in CData Cloud, as well as information on the available resources, and a reference to the available connection properties.
Establishing a Connection shows how to authenticate to Microsoft Excel Online and configure any necessary connection properties to create a database in CData Cloud
Accessing data from Microsoft Excel Online through the available standard services and CData Cloud administration is documented in further details in the CData Cloud Documentation.
Connect to Microsoft Excel Online by selecting the corresponding icon in the Database tab. Required properties are listed under Settings. The Advanced tab lists connection properties that are not typically required.
There are two authentication methods available for connecting to Microsoft Excel Online data source:
Azure AD is user-based authentication. Credentials are supplied to connect AzureAD to Microsoft Excel Online via a Desktop application. To use the embedded credentials for authentication, leave the OAuth credentials (OAuthClientId and OAuthClientSecret) blank.
For connecting via a Web application, you must create a custom OAuth Azure AD application. The creation of a Custom Azure AD application establishes the OAuth credentials OAuthClientId and OAuthClientSecret. For a discussion of how to create a custom Azure AD application, and reasons why that might be advantageous even if you are not connecting via a Web application, see Creating an Entra ID (Azure AD) Application.
The authentication as an Azure Service Principal is handled via the OAuth Client Credentials flow. It does not involve direct user authentication. Instead, credentials are created for just the application itself. All tasks taken by the application are done without a default user context, but based on the assigned roles. The application access to the resources is controlled through the assigned roles' permissions.
Create an AzureAD App and an Azure Service Principal
When authenticating using an Azure Service Principal, you must create and register an Azure AD application with an Azure AD tenant. See Creating an Entra ID (Azure AD) Application for more details.
In your App Registration in portal.azure.com, navigate to API Permissions and select the Microsoft Graph permissions. There are two distinct sets of permissions: Delegated permissions and Application permissions. The permissions used during client credential authentication are under Application Permissions.
Assign a role to the application
To access resources in your subscription, you must assign a role to the application.
Client Secret
Set these connection properties:
Certificate
Set these connection properties:
You are now ready to connect. Authentication with client credentials takes place automatically like any other connection, except there is no window opened prompting the user. Because there is no user context, there is no need for a browser popup. Connections take place and are handled internally.
If you are running Microsoft Excel Online on an Azure VM and want to automatically obtain Managed Service Identity (MSI) credentials to connect, set AuthScheme to AzureMSI.
If your VM has multiple user-assigned managed identities, you must also specify OAuthClientId.
The Cloud exposes workbooks and worksheets from drives you specify in your Microsoft account. You can connect to a workbook by providing authentication to Excel Online and setting any of the following properties.
To control which drives are discovered:
If none of the above are specified, access is restricted to the authenticated user's personal drive.
To control which workbooks and worksheets are exposed OR which drives are exposed:
For information on how to execute data manipulation SQL against worksheets and ranges, see:
For details on how the Cloud models worksheets and cells as tables and columns, See Data Model.
SharepointURL=https://mysite.sharepoint.com/The driver automatically looks up each document library you have in SharePoint and lists it as a schema. Individual Excel workbooks and worksheets are listed as tables in the format Workbook_Worksheet under their corresponding document library. This works in the same manner as listing your own personal Excel documents when SharepointURL is not set.
The following connection properties enable you to execute SELECT queries that closely match how your sheet is organized.
SELECT Id, Name, Item, Quantity, Amount FROM Test_xlsx_Sheet1 WHERE Amount = 50The query above assumes that the first row of the worksheet has the column names Id, Name, Quantity, and Amount. The worksheet may have more columns than were selected and they can be in any order.
SELECT A, B, C, D FROM Test_xlsx_Sheet1 WHERE D = 50
To select a range of data on the worksheet, append the range to the table name with the # character. For example, the following command will select the range of cells between A1 and E5:
SELECT * FROM Test_xlsx_Sheet1#A1:E5
To assign a table name to a range, and avoid specifying the range repeatedly, see the Tables property.
You can execute INSERT statements when working with worksheets as tables. You can specify the column names detected from a header row or specify the alphabetical column names in Excel Online. You can also configure how the Cloud parses the input values into Microsoft Excel Online cell formats.
Set the Header property to configure column names. Set ValueInputOption to configure input parsing.
Note that inserting to ranges is not supported. Use Batch Inserts or Temporary Tables instead.
When the Header property is set to true, you can specify cells in a header row as the column names.
INSERT INTO Test_xlsx_Sheet1 (Name, Amount) VALUES ('Test', 10)
When the Header property is set to false, provide the alphabetical column names.
INSERT INTO Test_xlsx_Sheet1 (A, B) VALUES ('Test', 10)
By default, the Cloud parses all values you input in the SQL statement the same as if you entered the input in the Microsoft Excel Online UI. For example, strings may be converted to numbers, dates, etc.
To disable the parsing of input values, set ValueInputOption. Additionally, see Using Formulas to configure formula evaluation.
If using temporary tables, they must be defined and inserted within the same connection. Closing the connection will clear out any temporary tables in memory.
Insert the rows you need in a temporary table. Then insert all the rows from that temporary table into the actual table.
In UPDATE statements, you can specify the column names detected from a header row or specify the alphabetical column names in Microsoft Excel Online. You can also configure how the Cloud parses the input values into Microsoft Excel Online cell formats.
Set the Header property to configure column names. The primary key is the row number; specify the primary key with the Id column. Set ValueInputOption to configure input parsing.
When the Header property is set to true, you update columns by specifying the detected column names.
UPDATE Customers SET Col1='value' WHERE Id=7
When the Header is set to false, provide the alphabetical column names:
UPDATE Customers SET H='value' WHERE Id=7
Set the columns corresponding to the range and specify the row number as the Id:
UPDATE [Customers#A15:C15] SET A='Ana Trujilo', B='Northwind, Inc.', C='100,000' WHERE Id='15'
By default, the Cloud parses all values you input in the SQL statement the same as if you entered the input in the Microsoft Excel Online UI. For example, strings may be converted to numbers, dates, etc.
To disable the parsing of input values, set ValueInputOption. Additionally, see Using Formulas to configure formula evaluation.
When deleting an entire row of data, you will need to be sure to refresh the table data. This is because Ids are assigned based on the row. For example, if there are five rows, with Ids 1 through 5, and you delete row 3 then row 4 will become 3 and 5 will become 4.
Set the following properties to configure formula evaluation when executing SELECT, INSERT, and UPDATE statements.
The Cloud can return either the result of the formula or the formula itself; configure this behavior with the ValueRenderOption connection property.
Set AllowFormula to true to insert formulas (the default). Otherwise, all values used in inserts and updates are inserted as string literals.
For example, with AllowFormula set to true, the following will insert a formula into the B column that will sum cells B1:B5:
INSERT INTO Excel_Sheet (A, B) VALUES ('Bill', '=SUM(B1:B5)')
Note: If AllowFormula is set to true, every column containing a formula will be exposed as String type regardless of the set TypeDetectionScheme.
By default, the Cloud attempts to negotiate TLS with the server. The server certificate is validated against the default system trusted certificate store. You can override how the certificate gets validated using the SSLServerCert connection property.
To specify another certificate, see the SSLServerCert connection property.
To authenticate to an HTTP proxy, set the following:
Set the following properties:
The Cloud models the worksheets and ranges in your workbooks as bidirectional tables. When you connect, the Cloud retrieves the metadata from Microsoft Excel Online and reflects any changes to the table schemas.
See the Getting Started section for quickstarts to executing SQL to the tables. This section provides additional details on the Cloud behavior.
This section provides more detail about how the Cloud models the Tables. See Columns for details about column discovery.
Query the available System Tables to access the available Cloud metadata, including schema information.
1) If you currently have many workbooks or sheets in your account, it may take a long time to initially retrieve all the data. You may shorten this time by adding the Workbook connection property to your connection string.
2) If you will be running a SELECT operation after INSERT or BATCH INSERT then make sure to wait 3-5 seconds before running it. The API takes a few seconds to register all the data you're adding to the database, so waiting is required to avoid partial results.
The Cloud exposes worksheets from workbooks as tables. To do so, it exposes the drives containing these workbooks and worksheets as schemas for these tables. How drives are exposed as schemas is dependent on the connection propeties for the Cloud.
The following connection properties determine what drives are exposed as schemas by the driver. They are listed in order of precedence, where only the most precedent property is used to expose schemas:
To view all the sites and drives to which you have access, use the Drives and SharePointSites views.
To filter the schemas the driver exposes, use the BrowsableSchemas connection property. Supply a list of drive names to this property. The filtering is done client-side, so this means that the names supplied should be the names that would normally be returned by the Cloud for the drives.
The Cloud enables you to represent a top-left-oriented worksheet or a user-specified range as a database table.
You can execute SELECT or UPDATE commands against a given range with a reference in the following format: WORKSHEET#RANGE. You can also set the Tables property to assign a table name to a range.
For example, the following command will select the range of cells between A1 and E5:
SELECT * FROM Test_xlsx_Sheet1#A1:E5
You can use the connection property ShowSharedDocuments to list shared excel workbooks as database tables. The tables will be listed along-side user owned workbooks.
See the following to execute data manipulation SQL to worksheets and ranges:
When you connect, the Cloud discovers the available columns and reflects both changes in Microsoft Excel Online and configuration changes you make with the following connection properties. See the following sections to configure aspects of column discovery specific to Microsoft Excel Online.
You can set Header to detect column names in a header row or you can reference columns alphabetically.
Below are more specifics on how the Cloud detects column names from a header row when Header is set to true.
When Header is set to false, alphabetical column names will be dynamically assigned.
The Cloud reports the row number as the primary key. The Id column for each row represents the row number from the top of the sheet.
For example, if you specify a range A3:E6, rows 3, 4, 5, and 6 will be returned.
The ValueRenderOption and ValueInputOption connection properties can be used to configure how the Cloud parses the Microsoft Excel Online cell formats in SELECT, INSERT and UPDATE operations.
Set the ValueRenderOption to configure how the Cloud renders values in the output of a SELECT operation. The available value render options are as below.
Set the ValueInputOption to configure how the Cloud parses values the user submits to the Microsoft Excel Online source for INSERT and UPDATE operations. The available value input options are as below.
Set the TypeDetectionScheme to configure the data type detection method. The available type detection schemes are as below.
Views are similar to tables in the way that data is represented; however, views are read-only.
Queries can be executed against a view as if it were a normal table.
| Name | Description |
| Drives | Retrieve a list of drive objects. |
| Folders | Retrieve a list of Folder objects. |
| SharedDocuments | Retrieve the list of all shared documents. Not every item listed by this view can be used as a workbook since the driver will filter out non excel files. See the Workbook and Worksheets views for more information. |
| SharePointSites | Retrieve the list of all sites in your SharePoint account. |
| Workbooks | Retrieve a list of workbook objects. |
| Worksheets | Retrieve a list of worksheet objects. If listing sheets in a workbook which do not belong to the user's drive, please specify the drive id using the Drive connection property. |
Retrieve a list of drive objects.
The example query below will return the Drives with the specified SharePointSite Id.
SELECT * FROM Drives WHERE SiteId = 'rssbus.onmicrosoft.com,988a3-343a-4064-996a-d2a30559f,4233d-dfcd-4910-b7f0-71f1dc03a'
| Name | Type | References | Description |
| Id [KEY] | String | The unique identifier of the drive. | |
| SiteId | String | The ID of the SharePoint site or subsite that this drive belongs to. | |
| ListId | String | The ID of the list this drive corresponds to. | |
| Name | String | The name of the drive. | |
| Description | String | The description of the drive. | |
| CreatedByName | String | The display name of the identity. | |
| CreatedById | String | Unique identifier for the identity. | |
| CreatedDateTime | Datetime | Date and time the drive was created. | |
| LastModifiedDateTime | Datetime | Date and time the drive was last modified. | |
| WebUrl | String | URL that displays the resource in the browser. |
Retrieve a list of Folder objects.
| Name | Type | References | Description |
| Id [KEY] | String | The unique identifier of the folder. | |
| Name | String | The Name of the folder | |
| DriveId | String |
Drives.Id | The ID of the drive that this folder belongs to. |
| ParentPath | String | The path of the folder's parent. | |
| ParentId | String | The id of the folder's parent. | |
| ParentName | String | The name of the folder's parent. | |
| CreatedByName | String | The display name of the identity. | |
| CreatedById | String | Unique identifier for the identity. | |
| CreatedDateTime | Datetime | Date and time the item was created. | |
| LastModifiedDateTime | Datetime | Date and time the item was last modified. |
Retrieve a list of workbook objects.
| Name | Type | References | Description |
| Id [KEY] | String | The unique identifier of the item within the Drive. | |
| Name | String | The name of the item. | |
| CreatedByName | String | The display name of the identity. | |
| CreatedById | String | Unique identifier for the identity. | |
| CreatedDateTime | Datetime | Date and time the item was created. | |
| LastModifiedDateTime | Datetime | Date and time the item was last modified. | |
| Size | Long | Size of the item in bytes. | |
| WebUrl | String | URL that displays the resource in the browser. | |
| DriveId | String |
Drives.Id | The ID of the drive that this workbook belongs to. |
Retrieve a list of worksheet objects. If listing sheets in a workbook which do not belong to the user's drive, please specify the drive id using the Drive connection property.
| Name | Type | References | Description |
| Id [KEY] | String | Returns a value that uniquely identifies the worksheet in a given workbook. The value of the identifier remains the same even when the worksheet is renamed or moved. | |
| WorkbookId | String |
Workbooks.Id | The Id of the workbook containing this worksheet. |
| Name | String | The display name of the worksheet. | |
| Position | Integer | The zero-based position of the worksheet within the workbook. | |
| Visibility | String | The visibility of the worksheet. Possible values are: Visible, Hidden, VeryHidden. |
Stored procedures are function-like interfaces that extend the functionality of the Cloud beyond simple SELECT/INSERT/UPDATE/DELETE operations with Microsoft Excel Online.
Stored procedures accept a list of parameters, perform their intended function, and then return any relevant response data from Microsoft Excel Online, along with an indication of whether the procedure succeeded or failed.
| Name | Description |
| AddWorkbook | Creates a new workbook using the Microsoft Graph API. |
| AddWorksheet | Add a worksheet to an existing Excel Online workbook. |
| GetAdminConsentURL | Gets the admin consent URL that must be opened separately by an admin of a given domain to grant access to your application. Only needed when using custom OAuth credentials. |
Creates a new workbook using the Microsoft Graph API.
| Name | Type | Description |
| Title | String | The name of the workbook to be created. |
| ParentId | String | The unique identifier of the folder where the workbook will be uploaded. If not provided, the workbook will be created in the root of the drive. |
| Name | Type | Description |
| Success | String | Indicates whether the workbook creation operation was successful. |
| WebUrl | String | The web URL of the newly created workbook, which can be used to access the workbook online. |
Add a worksheet to an existing Excel Online workbook.
| Name | Type | Description |
| WorkbookId | String | The Id of the workbook. Must belong to drive accessible with current connection properties. |
| Title | String | The name of the worksheet. |
| Name | Type | Description |
| Success | String | This value shows whether the operation was successful or not. |
Gets the admin consent URL that must be opened separately by an admin of a given domain to grant access to your application. Only needed when using custom OAuth credentials.
| Name | Type | Description |
| CallbackUrl | String | The URL the user will be redirected to after authorizing your application. This value must match the Reply URL in the Azure AD app settings. |
| State | String | The same value for state that you sent when you requested the authorization code. |
| Scope | String | A space-separated list of scopes to request from the Admin. Please check the Microsoft Graph API documentation for a list of available permissions. |
| Name | Type | Description |
| URL | String | The authorization URL, entered into a Web browser by the Admin to grant permisssions for your app. |
You can query the system tables described in this section to access schema information, information on data source functionality, and batch operation statistics.
The following tables return database metadata for Microsoft Excel Online:
The following tables return information about how to connect to and query the data source:
The following table returns query statistics for data modification queries, including batch operations::
Lists the available databases.
The following query retrieves all databases determined by the connection string:
SELECT * FROM sys_catalogs
| Name | Type | Description |
| CatalogName | String | The database name. |
Lists the available schemas.
The following query retrieves all available schemas:
SELECT * FROM sys_schemas
| Name | Type | Description |
| CatalogName | String | The database name. |
| SchemaName | String | The schema name. |
Lists the available tables.
The following query retrieves the available tables and views:
SELECT * FROM sys_tables
| Name | Type | Description |
| CatalogName | String | The database containing the table or view. |
| SchemaName | String | The schema containing the table or view. |
| TableName | String | The name of the table or view. |
| TableType | String | The table type (table or view). |
| Description | String | A description of the table or view. |
| IsUpdateable | Boolean | Whether the table can be updated. |
Describes the columns of the available tables and views.
The following query returns the columns and data types for the Test_xlsx_Sheet1 table:
SELECT ColumnName, DataTypeName FROM sys_tablecolumns WHERE TableName='Test_xlsx_Sheet1'
| Name | Type | Description |
| CatalogName | String | The name of the database containing the table or view. |
| SchemaName | String | The schema containing the table or view. |
| TableName | String | The name of the table or view containing the column. |
| ColumnName | String | The column name. |
| DataTypeName | String | The data type name. |
| DataType | Int32 | An integer indicating the data type. This value is determined at run time based on the environment. |
| Length | Int32 | The storage size of the column. |
| DisplaySize | Int32 | The designated column's normal maximum width in characters. |
| NumericPrecision | Int32 | The maximum number of digits in numeric data. The column length in characters for character and date-time data. |
| NumericScale | Int32 | The column scale or number of digits to the right of the decimal point. |
| IsNullable | Boolean | Whether the column can contain null. |
| Description | String | A brief description of the column. |
| Ordinal | Int32 | The sequence number of the column. |
| IsAutoIncrement | String | Whether the column value is assigned in fixed increments. |
| IsGeneratedColumn | String | Whether the column is generated. |
| IsHidden | Boolean | Whether the column is hidden. |
| IsArray | Boolean | Whether the column is an array. |
| IsReadOnly | Boolean | Whether the column is read-only. |
| IsKey | Boolean | Indicates whether a field returned from sys_tablecolumns is the primary key of the table. |
| ColumnType | String | The role or classification of the column in the schema. Possible values include SYSTEM, LINKEDCOLUMN, NAVIGATIONKEY, REFERENCECOLUMN, and NAVIGATIONPARENTCOLUMN. |
Lists the available stored procedures.
The following query retrieves the available stored procedures:
SELECT * FROM sys_procedures
| Name | Type | Description |
| CatalogName | String | The database containing the stored procedure. |
| SchemaName | String | The schema containing the stored procedure. |
| ProcedureName | String | The name of the stored procedure. |
| Description | String | A description of the stored procedure. |
| ProcedureType | String | The type of the procedure, such as PROCEDURE or FUNCTION. |
Describes stored procedure parameters.
The following query returns information about all of the input parameters for the AddWorksheet stored procedure:
SELECT * FROM sys_procedureparameters WHERE ProcedureName = 'AddWorksheet' AND Direction = 1 OR Direction = 2
To include result set columns in addition to the parameters, set the IncludeResultColumns pseudo column to True:
SELECT * FROM sys_procedureparameters WHERE ProcedureName = 'AddWorksheet' AND IncludeResultColumns='True'
| Name | Type | Description |
| CatalogName | String | The name of the database containing the stored procedure. |
| SchemaName | String | The name of the schema containing the stored procedure. |
| ProcedureName | String | The name of the stored procedure containing the parameter. |
| ColumnName | String | The name of the stored procedure parameter. |
| Direction | Int32 | An integer corresponding to the type of the parameter: input (1), input/output (2), or output(4). input/output type parameters can be both input and output parameters. |
| DataType | Int32 | An integer indicating the data type. This value is determined at run time based on the environment. |
| DataTypeName | String | The name of the data type. |
| NumericPrecision | Int32 | The maximum precision for numeric data. The column length in characters for character and date-time data. |
| Length | Int32 | The number of characters allowed for character data. The number of digits allowed for numeric data. |
| NumericScale | Int32 | The number of digits to the right of the decimal point in numeric data. |
| IsNullable | Boolean | Whether the parameter can contain null. |
| IsRequired | Boolean | Whether the parameter is required for execution of the procedure. |
| IsArray | Boolean | Whether the parameter is an array. |
| Description | String | The description of the parameter. |
| Ordinal | Int32 | The index of the parameter. |
| Values | String | The values you can set in this parameter are limited to those shown in this column. Possible values are comma-separated. |
| SupportsStreams | Boolean | Whether the parameter represents a file that you can pass as either a file path or a stream. |
| IsPath | Boolean | Whether the parameter is a target path for a schema creation operation. |
| Default | String | The value used for this parameter when no value is specified. |
| SpecificName | String | A label that, when multiple stored procedures have the same name, uniquely identifies each identically-named stored procedure. If there's only one procedure with a given name, its name is simply reflected here. |
| IsCDataProvided | Boolean | Whether the procedure is added/implemented by CData, as opposed to being a native Microsoft Excel Online procedure. |
| Name | Type | Description |
| IncludeResultColumns | Boolean | Whether the output should include columns from the result set in addition to parameters. Defaults to False. |
Describes the primary and foreign keys.
The following query retrieves the primary key for the Test_xlsx_Sheet1 table:
SELECT * FROM sys_keycolumns WHERE IsKey='True' AND TableName='Test_xlsx_Sheet1'
| Name | Type | Description |
| CatalogName | String | The name of the database containing the key. |
| SchemaName | String | The name of the schema containing the key. |
| TableName | String | The name of the table containing the key. |
| ColumnName | String | The name of the key column. |
| IsKey | Boolean | Whether the column is a primary key in the table referenced in the TableName field. |
| IsForeignKey | Boolean | Whether the column is a foreign key referenced in the TableName field. |
| PrimaryKeyName | String | The name of the primary key. |
| ForeignKeyName | String | The name of the foreign key. |
| ReferencedCatalogName | String | The database containing the primary key. |
| ReferencedSchemaName | String | The schema containing the primary key. |
| ReferencedTableName | String | The table containing the primary key. |
| ReferencedColumnName | String | The column name of the primary key. |
Describes the foreign keys.
The following query retrieves all foreign keys which refer to other tables:
SELECT * FROM sys_foreignkeys WHERE ForeignKeyType = 'FOREIGNKEY_TYPE_IMPORT'
| Name | Type | Description |
| CatalogName | String | The name of the database containing the key. |
| SchemaName | String | The name of the schema containing the key. |
| TableName | String | The name of the table containing the key. |
| ColumnName | String | The name of the key column. |
| PrimaryKeyName | String | The name of the primary key. |
| ForeignKeyName | String | The name of the foreign key. |
| ReferencedCatalogName | String | The database containing the primary key. |
| ReferencedSchemaName | String | The schema containing the primary key. |
| ReferencedTableName | String | The table containing the primary key. |
| ReferencedColumnName | String | The column name of the primary key. |
| ForeignKeyType | String | Designates whether the foreign key is an import (points to other tables) or export (referenced from other tables) key. |
Describes the primary keys.
The following query retrieves the primary keys from all tables and views:
SELECT * FROM sys_primarykeys
| Name | Type | Description |
| CatalogName | String | The name of the database containing the key. |
| SchemaName | String | The name of the schema containing the key. |
| TableName | String | The name of the table containing the key. |
| ColumnName | String | The name of the key column. |
| KeySeq | String | The sequence number of the primary key. |
| KeyName | String | The name of the primary key. |
Describes the available indexes. By filtering on indexes, you can write more selective queries with faster query response times.
The following query retrieves all indexes that are not primary keys:
SELECT * FROM sys_indexes WHERE IsPrimary='false'
| Name | Type | Description |
| CatalogName | String | The name of the database containing the index. |
| SchemaName | String | The name of the schema containing the index. |
| TableName | String | The name of the table containing the index. |
| IndexName | String | The index name. |
| ColumnName | String | The name of the column associated with the index. |
| IsUnique | Boolean | True if the index is unique. False otherwise. |
| IsPrimary | Boolean | True if the index is a primary key. False otherwise. |
| Type | Int16 | An integer value corresponding to the index type: statistic (0), clustered (1), hashed (2), or other (3). |
| SortOrder | String | The sort order: A for ascending or D for descending. |
| OrdinalPosition | Int16 | The sequence number of the column in the index. |
Returns information on the available connection properties and those set in the connection string.
The following query retrieves all connection properties that have been set in the connection string or set through a default value:
SELECT * FROM sys_connection_props WHERE Value <> ''
| Name | Type | Description |
| Name | String | The name of the connection property. |
| ShortDescription | String | A brief description. |
| Type | String | The data type of the connection property. |
| Default | String | The default value if one is not explicitly set. |
| Values | String | A comma-separated list of possible values. A validation error is thrown if another value is specified. |
| Value | String | The value you set or a preconfigured default. |
| Required | Boolean | Whether the property is required to connect. |
| Category | String | The category of the connection property. |
| IsSessionProperty | String | Whether the property is a session property, used to save information about the current connection. |
| Sensitivity | String | The sensitivity level of the property. This informs whether the property is obfuscated in logging and authentication forms. |
| PropertyName | String | A camel-cased truncated form of the connection property name. |
| Ordinal | Int32 | The index of the parameter. |
| CatOrdinal | Int32 | The index of the parameter category. |
| Hierarchy | String | Shows dependent properties associated that need to be set alongside this one. |
| Visible | Boolean | Informs whether the property is visible in the connection UI. |
| ETC | String | Various miscellaneous information about the property. |
Describes the SELECT query processing that the Cloud can offload to the data source.
See SQL Compliance for SQL syntax details.
Below is an example data set of SQL capabilities. Some aspects of SELECT functionality are returned in a comma-separated list if supported; otherwise, the column contains NO.
| Name | Description | Possible Values |
| AGGREGATE_FUNCTIONS | Supported aggregation functions. | AVG, COUNT, MAX, MIN, SUM, DISTINCT |
| COUNT | Whether COUNT function is supported. | YES, NO |
| IDENTIFIER_QUOTE_OPEN_CHAR | The opening character used to escape an identifier. | [ |
| IDENTIFIER_QUOTE_CLOSE_CHAR | The closing character used to escape an identifier. | ] |
| SUPPORTED_OPERATORS | A list of supported SQL operators. | =, >, <, >=, <=, <>, !=, LIKE, NOT LIKE, IN, NOT IN, IS NULL, IS NOT NULL, AND, OR |
| GROUP_BY | Whether GROUP BY is supported, and, if so, the degree of support. | NO, NO_RELATION, EQUALS_SELECT, SQL_GB_COLLATE |
| OJ_CAPABILITIES | The supported varieties of outer joins supported. | NO, LEFT, RIGHT, FULL, INNER, NOT_ORDERED, ALL_COMPARISON_OPS |
| OUTER_JOINS | Whether outer joins are supported. | YES, NO |
| SUBQUERIES | Whether subqueries are supported, and, if so, the degree of support. | NO, COMPARISON, EXISTS, IN, CORRELATED_SUBQUERIES, QUANTIFIED |
| STRING_FUNCTIONS | Supported string functions. | LENGTH, CHAR, LOCATE, REPLACE, SUBSTRING, RTRIM, LTRIM, RIGHT, LEFT, UCASE, SPACE, SOUNDEX, LCASE, CONCAT, ASCII, REPEAT, OCTET, BIT, POSITION, INSERT, TRIM, UPPER, REGEXP, LOWER, DIFFERENCE, CHARACTER, SUBSTR, STR, REVERSE, PLAN, UUIDTOSTR, TRANSLATE, TRAILING, TO, STUFF, STRTOUUID, STRING, SPLIT, SORTKEY, SIMILAR, REPLICATE, PATINDEX, LPAD, LEN, LEADING, KEY, INSTR, INSERTSTR, HTML, GRAPHICAL, CONVERT, COLLATION, CHARINDEX, BYTE |
| NUMERIC_FUNCTIONS | Supported numeric functions. | ABS, ACOS, ASIN, ATAN, ATAN2, CEILING, COS, COT, EXP, FLOOR, LOG, MOD, SIGN, SIN, SQRT, TAN, PI, RAND, DEGREES, LOG10, POWER, RADIANS, ROUND, TRUNCATE |
| TIMEDATE_FUNCTIONS | Supported date/time functions. | NOW, CURDATE, DAYOFMONTH, DAYOFWEEK, DAYOFYEAR, MONTH, QUARTER, WEEK, YEAR, CURTIME, HOUR, MINUTE, SECOND, TIMESTAMPADD, TIMESTAMPDIFF, DAYNAME, MONTHNAME, CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP, EXTRACT |
| REPLICATION_SKIP_TABLES | Indicates tables skipped during replication. | |
| REPLICATION_TIMECHECK_COLUMNS | A string array containing a list of columns which will be used to check for (in the given order) to use as a modified column during replication. | |
| IDENTIFIER_PATTERN | String value indicating what string is valid for an identifier. | |
| SUPPORT_TRANSACTION | Indicates if the provider supports transactions such as commit and rollback. | YES, NO |
| DIALECT | Indicates the SQL dialect to use. | |
| KEY_PROPERTIES | Indicates the properties which identify the uniform database. | |
| SUPPORTS_MULTIPLE_SCHEMAS | Indicates if multiple schemas may exist for the provider. | YES, NO |
| SUPPORTS_MULTIPLE_CATALOGS | Indicates if multiple catalogs may exist for the provider. | YES, NO |
| DATASYNCVERSION | The CData Data Sync version needed to access this driver. | Standard, Starter, Professional, Enterprise |
| DATASYNCCATEGORY | The CData Data Sync category of this driver. | Source, Destination, Cloud Destination |
| SUPPORTSENHANCEDSQL | Whether enhanced SQL functionality beyond what is offered by the API is supported. | TRUE, FALSE |
| SUPPORTS_BATCH_OPERATIONS | Whether batch operations are supported. | YES, NO |
| SQL_CAP | All supported SQL capabilities for this driver. | SELECT, INSERT, DELETE, UPDATE, TRANSACTIONS, ORDERBY, OAUTH, ASSIGNEDID, LIMIT, LIKE, BULKINSERT, COUNT, BULKDELETE, BULKUPDATE, GROUPBY, HAVING, AGGS, OFFSET, REPLICATE, COUNTDISTINCT, JOINS, DROP, CREATE, DISTINCT, INNERJOINS, SUBQUERIES, ALTER, MULTIPLESCHEMAS, GROUPBYNORELATION, OUTERJOINS, UNIONALL, UNION, UPSERT, GETDELETED, CROSSJOINS, GROUPBYCOLLATE, MULTIPLECATS, FULLOUTERJOIN, MERGE, JSONEXTRACT, BULKUPSERT, SUM, SUBQUERIESFULL, MIN, MAX, JOINSFULL, XMLEXTRACT, AVG, MULTISTATEMENTS, FOREIGNKEYS, CASE, LEFTJOINS, COMMAJOINS, WITH, LITERALS, RENAME, NESTEDTABLES, EXECUTE, BATCH, BASIC, INDEX |
| PREFERRED_CACHE_OPTIONS | A string value specifies the preferred cacheOptions. | |
| ENABLE_EF_ADVANCED_QUERY | Indicates if the driver directly supports advanced queries coming from Entity Framework. If not, queries will be handled client side. | YES, NO |
| PSEUDO_COLUMNS | A string array indicating the available pseudo columns. | |
| MERGE_ALWAYS | If the value is true, The Merge Mode is forcibly executed in Data Sync. | TRUE, FALSE |
| REPLICATION_MIN_DATE_QUERY | A select query to return the replicate start datetime. | |
| REPLICATION_MIN_FUNCTION | Allows a provider to specify the formula name to use for executing a server side min. | |
| REPLICATION_START_DATE | Allows a provider to specify a replicate startdate. | |
| REPLICATION_MAX_DATE_QUERY | A select query to return the replicate end datetime. | |
| REPLICATION_MAX_FUNCTION | Allows a provider to specify the formula name to use for executing a server side max. | |
| IGNORE_INTERVALS_ON_INITIAL_REPLICATE | A list of tables which will skip dividing the replicate into chunks on the initial replicate. | |
| CHECKCACHE_USE_PARENTID | Indicates whether the CheckCache statement should be done against the parent key column. | TRUE, FALSE |
| CREATE_SCHEMA_PROCEDURES | Indicates stored procedures that can be used for generating schema files. |
The following query retrieves the operators that can be used in the WHERE clause:
SELECT * FROM sys_sqlinfo WHERE Name = 'SUPPORTED_OPERATORS'
Note that individual tables may have different limitations or requirements on the WHERE clause; refer to the Data Model section for more information.
| Name | Type | Description |
| NAME | String | A component of SQL syntax, or a capability that can be processed on the server. |
| VALUE | String | Detail on the supported SQL or SQL syntax. |
Returns information about attempted modifications.
The following query retrieves the Ids of the modified rows in a batch operation:
SELECT * FROM sys_identity
| Name | Type | Description |
| Id | String | The database-generated Id returned from a data modification operation. |
| Batch | String | An identifier for the batch. 1 for a single operation. |
| Operation | String | The result of the operation in the batch: INSERTED, UPDATED, or DELETED. |
| Message | String | SUCCESS or an error message if the update in the batch failed. |
Describes the available system information.
The following query retrieves all columns:
SELECT * FROM sys_information
| Name | Type | Description |
| Product | String | The name of the product. |
| Version | String | The version number of the product. |
| Datasource | String | The name of the datasource the product connects to. |
| NodeId | String | The unique identifier of the machine where the product is installed. |
| HelpURL | String | The URL to the product's help documentation. |
| License | String | The license information for the product. (If this information is not available, the field may be left blank or marked as 'N/A'.) |
| Location | String | The file path location where the product's library is stored. |
| Environment | String | The version of the environment or rumtine the product is currently running under. |
| DataSyncVersion | String | The tier of CData Sync required to use this connector. |
| DataSyncCategory | String | The category of CData Sync functionality (e.g., Source, Destination). |
The connection string properties are the various options that can be used to establish a connection. This section provides a complete list of the options you can configure in the connection string for this provider. Click the links for further details.
For more information on establishing a connection, see Establishing a Connection.
| Property | Description |
| AuthScheme | Specifies the type of authentication to use when connecting to Microsoft Excel Online. If this property is left blank, the default authentication is used. |
| UseSandbox | A boolean indicating if you are using a sandbox account. The provider makes requests to the production environment by default. |
| Property | Description |
| Workbook | The name or Id of the workbook. |
| Drive | The Id of the drive. |
| FolderId | The Id of the folder. |
| IncludeSharePointSites | Specifies whether or not drives for all SharePoint sites are retrieved when querying Drives view. (Note: This property only affects Drives views. |
| Property | Description |
| AzureTenant | Identifies the Microsoft Excel Online tenant being used to access data. Accepts either the tenant's domain name (for example, contoso.onmicrosoft.com ) or its directory (tenant) ID. |
| AzureEnvironment | Specifies the Azure network environment to which you will connect. Must be the same network to which your Azure account was added. |
| Property | Description |
| OAuthClientId | Specifies the client ID (also known as the consumer key) assigned to your custom OAuth application. This ID is required to identify the application to the OAuth authorization server during authentication. |
| OAuthClientSecret | Specifies the client secret assigned to your custom OAuth application. This confidential value is used to authenticate the application to the OAuth authorization server. (Custom OAuth applications only.). |
| Scope | A space-seperated list of scopes. |
| State | Optional value for representing extra OAuth state information. |
| Property | Description |
| OAuthJWTCert | Supplies the name of the client certificate's JWT Certificate store. |
| OAuthJWTCertType | Identifies the type of key store containing the JWT Certificate. |
| OAuthJWTCertPassword | Provides the password for the OAuth JWT certificate used to access a password-protected certificate store. If the certificate store does not require a password, leave this property blank. |
| OAuthJWTCertSubject | Identifies the subject of the OAuth JWT certificate used to locate a matching certificate in the store. Supports partial matches and the wildcard '*' to select the first certificate. |
| OAuthJWTIssuer | The issuer of the Java Web Token. |
| OAuthJWTSubject | The user subject for which the application is requesting delegated access. |
| Property | Description |
| SSLServerCert | Specifies the certificate to be accepted from the server when connecting using TLS/SSL. |
| Property | Description |
| Verbosity | Specifies the verbosity level of the log file, which controls the amount of detail logged. Supported values range from 1 to 5. |
| Property | Description |
| BrowsableSchemas | Optional setting that restricts the schemas reported to a subset of all available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC . |
| Header | Indicates whether or not the provider should detect column names from the first row. |
| IncludePrimaryKey | Controls whether the driver includes an auto-generated primary key column in the table definition. |
| PrimaryKeyIdentifier | Set this property to control the name of the primary key. |
| DefineTables | Assign table names to ranges. |
| Property | Description |
| TypeDetectionScheme | Determines the method for identifying the data types of columns. |
| AllowFormula | Whether or not to treat values starting with an equals (=) sign as formulas during inserts and updates. |
| IncludeFileExtensions | Specifies whether file extensions should be included in table names. |
| MaxRows | Specifies the maximum number of rows returned for queries that do not include either aggregation or GROUP BY. |
| NullValueMode | Indicates whether to read empty cells as null or as empty. |
| Pagesize | The maximum number of results to return per page from Microsoft Excel Online when UsePagination is True. |
| PseudoColumns | Specifies the pseudocolumns to expose as table columns, expressed as a string in the format 'TableName=ColumnName;TableName=ColumnName'. |
| RowScanDepth | The maximum number of rows to scan to look for the columns available in a table. |
| SeparatorCharacter | Specifies the character used to separate the workbook name and worksheet name in the generated table name. |
| SharepointURL | The base URL of your Sharepoint Server. |
| ShowEmptyRows | Indicates whether the rows that contain no data (empty rows) should be pushed to the output. |
| ShowSharedDocuments | Whether or not to show shared documents. |
| Timeout | Specifies the maximum time, in seconds, that the provider waits for a server response before throwing a timeout error. |
| UsePagination | Whether to use client-side paging. |
| UseSearchAPI | Specifies whether the CData ADO.NET Provider for Microsoft Excel Online should use the /search(q='.xls') endpoint to locate and retrieve workbook files. When set to true (default) , the driver performs a targeted search to list only workbook files, improving efficiency in large directories. If set to false, all items are listed using the /children endpoint, and workbook files are filtered client-side. |
| UseSimpleNames | Specifies whether or not simple names should be used for tables and columns. |
| ValueInputOption | Determines how the provider parses values the user submits to Microsoft Excel Online. |
| ValueRenderOption | Determines how the provider renders values in the output. |
This section provides a complete list of the Authentication properties you can configure in the connection string for this provider.
| Property | Description |
| AuthScheme | Specifies the type of authentication to use when connecting to Microsoft Excel Online. If this property is left blank, the default authentication is used. |
| UseSandbox | A boolean indicating if you are using a sandbox account. The provider makes requests to the production environment by default. |
Specifies the type of authentication to use when connecting to Microsoft Excel Online. If this property is left blank, the default authentication is used.
string
"AzureAD"
AuthScheme values include:
For information about creating a custom application to authenticate with Azure AD, see Creating an Entra ID (Azure AD) Application.
For information about creating a custom application to authenticate with Azure AD Service Principal, see Creating a Service Principal App in Entra ID (Azure AD).
A boolean indicating if you are using a sandbox account. The provider makes requests to the production environment by default.
bool
false
If you are using a production account, this property can be left blank. If you are using a developer test account, set this to true.
This section provides a complete list of the Connection properties you can configure in the connection string for this provider.
| Property | Description |
| Workbook | The name or Id of the workbook. |
| Drive | The Id of the drive. |
| FolderId | The Id of the folder. |
| IncludeSharePointSites | Specifies whether or not drives for all SharePoint sites are retrieved when querying Drives view. (Note: This property only affects Drives views. |
The name or Id of the workbook.
string
""
Specifies the name or Id of the workbook. A list of all workbooks is available from the Workbooks view.
The Id of the drive.
string
""
Specifies the Id of the drive. A list of all drives is available from the Drives view. This property takes precedence over SharepointURL. This means that if SharepointURL and Drive are specified, a schema will only be identified for the drive specified by Drive, and tables will only be identified from the worksheets in workbooks in this drive.
The Id of the folder.
string
""
Specifies the Id of the folder. A list of all folders is available from the Folders view.
This section provides a complete list of the Azure Authentication properties you can configure in the connection string for this provider.
| Property | Description |
| AzureTenant | Identifies the Microsoft Excel Online tenant being used to access data. Accepts either the tenant's domain name (for example, contoso.onmicrosoft.com ) or its directory (tenant) ID. |
| AzureEnvironment | Specifies the Azure network environment to which you will connect. Must be the same network to which your Azure account was added. |
Identifies the Microsoft Excel Online tenant being used to access data. Accepts either the tenant's domain name (for example, contoso.onmicrosoft.com ) or its directory (tenant) ID.
string
""
A tenant is a digital container for your organization's users and resources, managed through Microsoft Entra ID (formerly Azure AD). Each tenant is associated with a unique directory ID, and often with a custom domain (for example, microsoft.com or contoso.onmicrosoft.com).
To find the directory (tenant) ID in the Microsoft Entra Admin Center, navigate to Microsoft Entra ID > Properties and copy the value labeled "Directory (tenant) ID".
This property is required in the following cases:
You can provide the tenant value in one of two formats:
Specifying the tenant explicitly ensures that the authentication request is routed to the correct directory, which is especially important when a user belongs to multiple tenants or when using service principal–based authentication.
If this value is omitted when required, authentication may fail or connect to the wrong tenant. This can result in errors such as unauthorized or resource not found.
Specifies the Azure network environment to which you will connect. Must be the same network to which your Azure account was added.
string
"GLOBAL"
Required if your Azure account is part of a different network than the Global network, such as China, USGOVT, or USGOVTDOD.
This section provides a complete list of the OAuth properties you can configure in the connection string for this provider.
| Property | Description |
| OAuthClientId | Specifies the client ID (also known as the consumer key) assigned to your custom OAuth application. This ID is required to identify the application to the OAuth authorization server during authentication. |
| OAuthClientSecret | Specifies the client secret assigned to your custom OAuth application. This confidential value is used to authenticate the application to the OAuth authorization server. (Custom OAuth applications only.). |
| Scope | A space-seperated list of scopes. |
| State | Optional value for representing extra OAuth state information. |
Specifies the client ID (also known as the consumer key) assigned to your custom OAuth application. This ID is required to identify the application to the OAuth authorization server during authentication.
string
""
This property is required in two cases:
(When the driver provides embedded OAuth credentials, this value may already be provided by the Cloud and thus not require manual entry.)
OAuthClientId is generally used alongside other OAuth-related properties such as OAuthClientSecret and OAuthSettingsLocation when configuring an authenticated connection.
OAuthClientId is one of the key connection parameters that need to be set before users can authenticate via OAuth. You can usually find this value in your identity provider’s application registration settings. Look for a field labeled Client ID, Application ID, or Consumer Key.
While the client ID is not considered a confidential value like a client secret, it is still part of your application's identity and should be handled carefully. Avoid exposing it in public repositories or shared configuration files.
For more information on how this property is used when configuring a connection, see Establishing a Connection.
Specifies the client secret assigned to your custom OAuth application. This confidential value is used to authenticate the application to the OAuth authorization server. (Custom OAuth applications only.).
string
""
This property (sometimes called the application secret or consumer secret) is required when using a custom OAuth application in any flow that requires secure client authentication, such as web-based OAuth, service-based connections, or certificate-based authorization flows. It is not required when using an embedded OAuth application.
The client secret is used during the token exchange step of the OAuth flow, when the driver requests an access token from the authorization server. If this value is missing or incorrect, authentication fails with either an invalid_client or an unauthorized_client error.
OAuthClientSecret is one of the key connection parameters that need to be set before users can authenticate via OAuth. You can obtain this value from your identity provider when registering the OAuth application.
Notes:
For more information on how this property is used when configuring a connection, see Establishing a Connection
A space-seperated list of scopes.
string
"https://graph.microsoft.com/Sites.Read.All https://graph.microsoft.com/Sites.ReadWrite.All https://graph.microsoft.com/Files.Read https://graph.microsoft.com/Files.Read.All https://graph.microsoft.com/Files.Read.Selected https://graph.microsoft.com/Files.ReadWrite https://graph.microsoft.com/Files.ReadWrite.All https://graph.microsoft.com/Files.ReadWrite.AppFolder https://graph.microsoft.com/Files.ReadWrite.Selected"
This connection property is only used for the AzureAD authentication flow. It defaults to the following: https://graph.microsoft.com/Sites.Read.All https://graph.microsoft.com/Sites.ReadWrite.All https://graph.microsoft.com/Files.Read https://graph.microsoft.com/Files.Read.All https://graph.microsoft.com/Files.Read.Selected https://graph.microsoft.com/Files.ReadWrite https://graph.microsoft.com/Files.ReadWrite.All https://graph.microsoft.com/Files.ReadWrite.AppFolder https://graph.microsoft.com/Files.ReadWrite.Selected.
Optional value for representing extra OAuth state information.
string
""
Optional value for representing extra OAuth state information.
This section provides a complete list of the JWT OAuth properties you can configure in the connection string for this provider.
| Property | Description |
| OAuthJWTCert | Supplies the name of the client certificate's JWT Certificate store. |
| OAuthJWTCertType | Identifies the type of key store containing the JWT Certificate. |
| OAuthJWTCertPassword | Provides the password for the OAuth JWT certificate used to access a password-protected certificate store. If the certificate store does not require a password, leave this property blank. |
| OAuthJWTCertSubject | Identifies the subject of the OAuth JWT certificate used to locate a matching certificate in the store. Supports partial matches and the wildcard '*' to select the first certificate. |
| OAuthJWTIssuer | The issuer of the Java Web Token. |
| OAuthJWTSubject | The user subject for which the application is requesting delegated access. |
Supplies the name of the client certificate's JWT Certificate store.
string
""
The OAuthJWTCertType field specifies the type of the certificate store specified in OAuthJWTCert. If the store is password-protected, use OAuthJWTCertPassword to supply the password..
OAuthJWTCert is used in conjunction with the OAuthJWTCertSubject field in order to specify client certificates. If OAuthJWTCert has a value, and OAuthJWTCertSubject is set, the CData Cloud initiates a search for a certificate. For further information, see OAuthJWTCertSubject.
Designations of certificate stores are platform-dependent.
Notes
Identifies the type of key store containing the JWT Certificate.
string
"PEMKEY_BLOB"
| Value | Description | Notes |
| USER | A certificate store owned by the current user. | Only available in Windows. |
| MACHINE | A machine store. | Not available in Java or other non-Windows environments. |
| PFXFILE | A PFX (PKCS12) file containing certificates. | |
| PFXBLOB | A string (base-64-encoded) representing a certificate store in PFX (PKCS12) format. | |
| JKSFILE | A Java key store (JKS) file containing certificates. | Only available in Java. |
| JKSBLOB | A string (base-64-encoded) representing a certificate store in Java key store (JKS) format. | Only available in Java. |
| PEMKEY_FILE | A PEM-encoded file that contains a private key and an optional certificate. | |
| PEMKEY_BLOB | A string (base64-encoded) that contains a private key and an optional certificate. | |
| PUBLIC_KEY_FILE | A file that contains a PEM- or DER-encoded public key certificate. | |
| PUBLIC_KEY_BLOB | A string (base-64-encoded) that contains a PEM- or DER-encoded public key certificate. | |
| SSHPUBLIC_KEY_FILE | A file that contains an SSH-style public key. | |
| SSHPUBLIC_KEY_BLOB | A string (base-64-encoded) that contains an SSH-style public key. | |
| P7BFILE | A PKCS7 file containing certificates. | |
| PPKFILE | A file that contains a PPK (PuTTY Private Key). | |
| XMLFILE | A file that contains a certificate in XML format. | |
| XMLBLOB | Astring that contains a certificate in XML format. | |
| BCFKSFILE | A file that contains an Bouncy Castle keystore. | |
| BCFKSBLOB | A string (base-64-encoded) that contains a Bouncy Castle keystore. |
Provides the password for the OAuth JWT certificate used to access a password-protected certificate store. If the certificate store does not require a password, leave this property blank.
string
""
This property specifies the password needed to open a password-protected certificate store. To determine if a password is necessary, refer to the documentation or configuration for your specific certificate store.
Identifies the subject of the OAuth JWT certificate used to locate a matching certificate in the store. Supports partial matches and the wildcard '*' to select the first certificate.
string
"*"
The value of this property is used to locate a matching certificate in the store. The search process works as follows:
You can set the value to '*' to automatically select the first certificate in the store. The certificate subject is a comma-separated list of distinguished name fields and values. For example: CN=www.server.com, OU=test, C=US, [email protected].
Common fields include:
| Field | Meaning |
| CN | Common Name. This is commonly a host name like www.server.com. |
| O | Organization |
| OU | Organizational Unit |
| L | Locality |
| S | State |
| C | Country |
| E | Email Address |
If a field value contains a comma, enclose it in quotes. For example: "O=ACME, Inc.".
The issuer of the Java Web Token.
string
""
The issuer of the Java Web Token. In most cases, this takes the value of the OAuth App Id (Client Id) connection property and does not need to be individually set.
The user subject for which the application is requesting delegated access.
string
""
The user subject for which the application is requesting delegated access. In most cases, this takes the value of the OAuth App Id (Client Id) connection property and does not need to be individually set.
This section provides a complete list of the SSL properties you can configure in the connection string for this provider.
| Property | Description |
| SSLServerCert | Specifies the certificate to be accepted from the server when connecting using TLS/SSL. |
Specifies the certificate to be accepted from the server when connecting using TLS/SSL.
string
""
If you are using a TLS/SSL connection, use this property to specify the TLS/SSL certificate to be accepted from the server. If you specify a value for this property, all other certificates that are not trusted by the machine are rejected.
This property can take the following forms:
| Description | Example |
| A full PEM Certificate (example shortened for brevity) | -----BEGIN CERTIFICATE----- MIIChTCCAe4CAQAwDQYJKoZIhv......Qw== -----END CERTIFICATE----- |
| A path to a local file containing the certificate | C:\cert.cer |
| The public key (example shortened for brevity) | -----BEGIN RSA PUBLIC KEY----- MIGfMA0GCSq......AQAB -----END RSA PUBLIC KEY----- |
| The MD5 Thumbprint (hex values can also be either space- or colon-separated) | ecadbdda5a1529c58a1e9e09828d70e4 |
| The SHA1 Thumbprint (hex values can also be either space- or colon-separated) | 34a929226ae0819f2ec14b4a3d904f801cbb150d |
Note: It is possible to use '*' to signify that all certificates should be accepted, but due to security concerns this is not recommended.
This section provides a complete list of the Logging properties you can configure in the connection string for this provider.
| Property | Description |
| Verbosity | Specifies the verbosity level of the log file, which controls the amount of detail logged. Supported values range from 1 to 5. |
Specifies the verbosity level of the log file, which controls the amount of detail logged. Supported values range from 1 to 5.
string
"1"
This property defines the level of detail the Cloud includes in the log file. Higher verbosity levels increase the detail of the logged information, but may also result in larger log files and slower performance due to the additional data being captured.
The default verbosity level is 1, which is recommended for regular operation. Higher verbosity levels are primarily intended for debugging purposes. For more information on each level, refer to Logging.
When combined with the LogModules property, Verbosity can refine logging to specific categories of information.
This section provides a complete list of the Schema properties you can configure in the connection string for this provider.
| Property | Description |
| BrowsableSchemas | Optional setting that restricts the schemas reported to a subset of all available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC . |
| Header | Indicates whether or not the provider should detect column names from the first row. |
| IncludePrimaryKey | Controls whether the driver includes an auto-generated primary key column in the table definition. |
| PrimaryKeyIdentifier | Set this property to control the name of the primary key. |
| DefineTables | Assign table names to ranges. |
Optional setting that restricts the schemas reported to a subset of all available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC .
string
""
Listing all available database schemas can take extra time, thus degrading performance. Providing a list of schemas in the connection string saves time and improves performance.
Indicates whether or not the provider should detect column names from the first row.
bool
true
If true, the first row will be used as a column header. Otherwise, the pseudo column names A, B, C, etc. will be used.
The Cloud will follow the additional specifications below to detect column headers:
Controls whether the driver includes an auto-generated primary key column in the table definition.
bool
true
When set to True (default), the driver adds a primary key column (id) to each table. The column name can be customized using the PrimaryKeyIdentifier property. When set to False, the driver omits the auto-generated primary key column entirely and returns only the columns defined in the source data.
Disabling this option will impact performance for UPDATE and DELETE operations, as the driver must search all matching rows instead of directly relying on the primary key column.
Set this property to control the name of the primary key.
string
"Id"
Determines the name of the primary key column which holds the row number. The default value of the primary key is Id.
Set this property if there is a column named Id in the table you are querying, or if you prefer to change the name of the primary key.
Assign table names to ranges.
string
""
This property is used to define the ranges within a worksheet that will appear as tables. The value is a semicolon-separated list of name-value pairs in the form [Table Name]=[Catalog].[Schema].[{Workbook Name}_{Worksheet Name}!{Range}]. The value can also be specified in the form [Table Name]=[{Workbook Name}_{Worksheet Name}!{Range}]. Note that in this case, the driver will attempt to push the defined table for each schema it identifies, should the specified workbook and worksheet exist in the schema. For specifications of DefineTables, some characters, like ., are reserved characters. To escape these characters and make sure that the name containing them is parsed properly, surround the containing name with brackets, as in [work.book_work.sheet!A1:Z50]. For this example, the driver would properly search for the workbook and worksheet identified by work.book_work.sheet, despite the specification containing reserved characters.
Here is an example DefineTables value:
DefineTables="Table1=Test_xlsx_Sheet1!A1:N25,Table2=[CData].[MySchema].[Spreadsheet1_Sheet2!C3:M53],Table4=xIsPcLs2-bF3AavQcSLCfzs3kGc_Sheet4!C20:N60"
After setting DefineTables, you can then issue queries that reference the specified table name. Note that you can also use the range syntax directly in the SQL statement: append the range to the worksheet name with the # character.
For example, the following command will select the range of cells between A1 and E5:
SELECT * FROM Test_xlsx_Sheet1#A1:E5
This section provides a complete list of the Miscellaneous properties you can configure in the connection string for this provider.
| Property | Description |
| TypeDetectionScheme | Determines the method for identifying the data types of columns. |
| AllowFormula | Whether or not to treat values starting with an equals (=) sign as formulas during inserts and updates. |
| IncludeFileExtensions | Specifies whether file extensions should be included in table names. |
| MaxRows | Specifies the maximum number of rows returned for queries that do not include either aggregation or GROUP BY. |
| NullValueMode | Indicates whether to read empty cells as null or as empty. |
| Pagesize | The maximum number of results to return per page from Microsoft Excel Online when UsePagination is True. |
| PseudoColumns | Specifies the pseudocolumns to expose as table columns, expressed as a string in the format 'TableName=ColumnName;TableName=ColumnName'. |
| RowScanDepth | The maximum number of rows to scan to look for the columns available in a table. |
| SeparatorCharacter | Specifies the character used to separate the workbook name and worksheet name in the generated table name. |
| SharepointURL | The base URL of your Sharepoint Server. |
| ShowEmptyRows | Indicates whether the rows that contain no data (empty rows) should be pushed to the output. |
| ShowSharedDocuments | Whether or not to show shared documents. |
| Timeout | Specifies the maximum time, in seconds, that the provider waits for a server response before throwing a timeout error. |
| UsePagination | Whether to use client-side paging. |
| UseSearchAPI | Specifies whether the CData ADO.NET Provider for Microsoft Excel Online should use the /search(q='.xls') endpoint to locate and retrieve workbook files. When set to true (default) , the driver performs a targeted search to list only workbook files, improving efficiency in large directories. If set to false, all items are listed using the /children endpoint, and workbook files are filtered client-side. |
| UseSimpleNames | Specifies whether or not simple names should be used for tables and columns. |
| ValueInputOption | Determines how the provider parses values the user submits to Microsoft Excel Online. |
| ValueRenderOption | Determines how the provider renders values in the output. |
Determines the method for identifying the data types of columns.
string
"RowScan"
The Cloud can detect data types with the cell format (number, currency, date, etc.) or by scanning rows.
| None | Setting TypeDetectionScheme to None will return all columns as the string type. |
| RowScan | Setting TypeDetectionScheme to RowScan will scan rows to heuristically determine the data type. The RowScanDepth determines the number of rows the Cloud will scan. |
| ColumnFormat | Setting TypeDetectionScheme to ColumnFormat will report the data type based on the cell format of the column.
Note: This option is applicable only for the 'UnformattedValue' ValueRenderOption. If the ValueRenderOption is set to 'FormattedValue' or 'Formula', all columns will be exposed as String types. |
Whether or not to treat values starting with an equals (=) sign as formulas during inserts and updates.
bool
true
Set this value to true to treat values beginning with an equals (=) sign as formulas on inserts and updates. Set the value to false to treat all values used in inserts and updates as strings.
For example, with AllowFormula set to true, the following will insert a formula into the B column that will sum cells B1:B5:
INSERT INTO Excel_Sheet (A, B) VALUES ('Bill', '=SUM(B1:B5)')
Note: If True, every column containing a formula will be exposed as String type regardless of the set TypeDetectionScheme.
Specifies whether file extensions should be included in table names.
bool
false
When set to true, file extensions are appended to the base table name, making the format [WorkbookName].[extension]_[WorksheetName] instead of the default [WorkbookName]_[WorksheetName].
Specifies the maximum number of rows returned for queries that do not include either aggregation or GROUP BY.
int
-1
The default value for this property, -1, means that no row limit is enforced unless the query explicitly includes a LIMIT clause. (When a query includes a LIMIT clause, the value specified in the query takes precedence over the MaxRows setting.)
Setting MaxRows to a whole number greater than 0 ensures that queries do not return excessively large result sets by default.
This property is useful for optimizing performance and preventing excessive resource consumption when executing queries that could otherwise return very large datasets.
Indicates whether to read empty cells as null or as empty.
string
"ReadAsNull"
NullValueMode controls how empty cells are modeled. An empty cell is a cell that has not been set and thus contains a null string. If NullValueMode is set to ReadAsNull, NULL is reported for an empty cell. If NullValueMode is set to ReadAsEmpty, an empty string is reported for an empty cell.
The maximum number of results to return per page from Microsoft Excel Online when UsePagination is True.
int
20000
The Pagesize property controls the maximum number of results returned per page from Microsoft Excel Online. Setting a higher value may improve performance by reducing the number of round trips, but will consume more memory per page. Special considerations: - SharePointSites table: Has a default page size of 500 and will not accept larger values. This table honours the Pagesize property independently without requiring UsePagination to be enabled. - Setting Pagesize to -1 enables dynamic page sizing, which optimizes performance by adjusting the page size based on the data being retrieved. With this setting, results will be retrieved in a serial manner rather than using parallel processing.
Specifies the pseudocolumns to expose as table columns, expressed as a string in the format 'TableName=ColumnName;TableName=ColumnName'.
string
""
This property allows you to define which pseudocolumns the Cloud exposes as table columns.
To specify individual pseudocolumns, use the following format:
Table1=Column1;Table1=Column2;Table2=Column3
To include all pseudocolumns for all tables use:
*=*
The maximum number of rows to scan to look for the columns available in a table.
int
50
The columns in a table must be determined by scanning table rows. This value determines the maximum number of rows that will be scanned.
Setting a high value may decrease performance. Setting a low value may prevent the data type from being determined properly, especially when there is null data.
Specifies the character used to separate the workbook name and worksheet name in the generated table name.
string
"_"
The separator character is inserted between the workbook and worksheet names when forming the table name.
For example:
Indicates whether the rows that contain no data (empty rows) should be pushed to the output.
bool
false
If true, the empty rows are pushed to the output and included in the result set. If false, the output only contains rows that have at least one non-empty value.
Specifies the maximum time, in seconds, that the provider waits for a server response before throwing a timeout error.
int
60
The timeout applies to each individual communication with the server rather than the entire query or operation. For example, a query could continue running beyond 60 seconds if each paging call completes within the timeout limit.
Timeout is set to 60 seconds by default. To disable timeouts, set this property to 0.
Disabling the timeout allows operations to run indefinitely until they succeed or fail due to other conditions such as server-side timeouts, network interruptions, or resource limits on the server.
Note: Use this property cautiously to avoid long-running operations that could degrade performance or result in unresponsive behavior.
Whether to use client-side paging.
bool
false
Whether to use client-side paging. As a best practice, set this option to true in the case of a large dataset.
Specifies whether the CData ADO.NET Provider for Microsoft Excel Online should use the /search(q='.xls') endpoint to locate and retrieve workbook files. When set to true (default) , the driver performs a targeted search to list only workbook files, improving efficiency in large directories. If set to false, all items are listed using the /children endpoint, and workbook files are filtered client-side.
bool
true
Set this property to true to use the /search(q='.xls') endpoint for efficient workbook retrieval, particularly in large directories. If issues occur with this endpoint, set the property to false to retrieve all items and filter them client-side.
Specifies whether or not simple names should be used for tables and columns.
bool
false
Microsoft Excel Online tables can include special characters in their names that are typically not allowed in standard databases. This property makes the Cloud easier to use with traditional database tools.
Setting UseSimpleNames to True simplifies the names of the columns that are returned. It enforces a naming scheme where only alphanumeric characters and underscores are valid for displayed column names.
Notes:
Determines how the provider parses values the user submits to Microsoft Excel Online.
string
"UserEntered"
Determines how the Cloud parses values the user submits to Microsoft Excel Online.
| Raw | The values the user has entered will not be parsed and will be stored as-is. |
| UserEntered | The values will be parsed as if the user typed them into the UI. Numbers will stay as numbers, but strings may be converted to numbers, dates, etc., following the same rules that are applied when entering text into a cell via the Excel Online UI. |
Determines how the provider renders values in the output.
string
"FormattedValue"
Determines how the Cloud renders values in the output.
| FormattedValue | Values will be calculated and formatted in the reply according to the cell's formatting. Formatting is based on the workbook's locale, not the requesting user's locale. For example, if A1 is 1.23 and A2 is "=A1" and formatted as currency, then A2 would return "$1.23". |
| UnformattedValue | Values will be calculated but not formatted in the reply. For example, if A1 is 1.23 and A2 is "=A1" and formatted as currency, then A2 would return the number 1.23. |
| Formula | Values will not be calculated and instead the reply will include the formulas. For example, if A1 is 1.23 and A2 is "=A1" and formatted as currency, then A2 would return "=A1". For this reason, every column containing a formula will be exposed as String type regardless of the set TypeDetectionScheme. |
LZMA from 7Zip LZMA SDK
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Anyone is free to copy, modify, publish, use, compile, sell, or distribute the original LZMA SDK code, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means.
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