Oracle Connector for CData Sync

Build 25.0.9539
  • Oracle
      • Before You Connect
    • Establishing a Connection
      • Fine-Tuning Data Access
    • Advanced Features
    • Connection String Options
      • Authentication
        • ConnectionType
        • Server
        • Port
        • ServiceName
        • SID
        • User
        • Password
        • DataSource
        • LDAPUri
        • LDAPUser
        • LDAPPassword
        • LDAPVersion
        • Wallet
      • Logging
        • LogModules
      • Schema
        • Location
        • BrowsableSchemas
        • Tables
        • Views
        • IncludeSynonyms
        • ShowMetadataDescriptions
        • UseDBAMetadataViews
      • Miscellaneous
        • AllowPreparedStatement
        • MaxLobSize
        • MaxRows
        • NativeFolder
        • Other
        • QueryPassthrough
        • ReconnectTimeout
        • ReconnectTries
        • SessionParameters
    • Third Party Copyrights

Oracle Connector for CData Sync

Overview

The CData Sync App provides a straightforward way to continuously pipeline your Oracle data to any database, data lake, or data warehouse, making it easily available for Analytics, Reporting, AI, and Machine Learning.

The Oracle OCI connector can be used from the CData Sync application to pull data from Oracle OCI and move it to any of the supported destinations.

Oracle OCI Version Support

The Sync App can connect Oracle Database 11.2 or later. The Sync App requires the Oracle OCI Library, which is shipped alongside it.

Oracle Connector for CData Sync

Before You Connect

Before You Connect

To connect to Oracle, you must first update the appropriate environment variable. This variable must contain a folder location that includes the Oracle OCI Library assemblies.

The correct environment variable depends upon your platform:

  • Windows: The native libraries should be on your PATH.
  • Mac: The native libraries should be on your DYLIB_LIBRARY_PATH.
  • Linux: The native libraries should be on your LD_LIBRARY_PATH.

If you are using the Application Data-Source wizard to download the Oracle connector, the native libraries are downloaded along with the Oracle driver. These libraries are placed in the www/bin directory of your application folder. To include the Oracle OCI directory, you must either edit the environment variable to include the Oracle OCI directory or copy the Oracle OCI directory to an existing path in this environment variable. After that is done, restart the application to load the Oracle native libraries.

The NativeFolder property specifies the path to the directory that contains the native DLLs. By default, the Sync App uses the system’s standard library-loading policy. You can specify either a full or relative path. On Windows and macOS, setting this property is a viable alternative to setting up environment variables.

Oracle Connector for CData Sync

Establishing a Connection

Adding a Connection to Oracle OCI

To add a connection to Oracle OCI:

  1. In the application console, navigate to the Connections page.
  2. At the Add Connections panel, select the icon for the connection you want to add.
  3. If the Oracle OCI icon is not available, click the Add More icon to download and install the Oracle OCI connector from the CData site.

For required properties, see the Settings tab.

For connection properties that are not typically required, see the Advanced tab.

Connecting to Oracle OCI

Oracle OCI supports the following connection types:

  • Oracle Server
  • OracleTNS
  • LDAP

Oracle Server

After you have added the appropriate libraries to your PATH (as described in Before You Connect), set these properties:

  • User: The user Id provided for authentication with the Oracle database.
  • Password: The password provided for authentication with the Oracle database.
  • Port: The port used to connect to the server hosting the Oracle database.
  • ServiceName: The service name of the Oracle database. You can obtain this value by querying global_name (select * from global_name) using the Oracle SQL*PLUS command line.
  • Server: The host name or IP address of the server hosting the Oracle database.

OracleTNS

To authenticate via OracleTNS, set these properties:

  • User: The user Id provided for authentication with the Oracle database.
  • Password: The password provided for authentication with the Oracle database.
  • DataSource: The connect descriptor (TNS connect string) or a connection name identifies the database you need to connect to. You can find these values in your tnsnames.ora file.

For example,

DataSource='(DESCRIPTION=(ADDRESS=(protocol_address_information))(CONNECT_DATA= (SERVICE_NAME=service_name)))'

LDAP

To authenticate via the LDAP server, set these properties.

  • User: The user Id of a user account associated with the Oracle database.
  • Password: The password associated with the specified user account.
  • LDAPUri: The LDAP URI associated with the LDAP server you want to connect to.
  • LDAPUser: The name of the user account on the specified LDAP server that you want to use to connect to Oracle OCI data.
    • Optional if your system administrator allows anonymous LDAP logins.
  • LDAPPassword: The password associated with the specified LDAP user.
    • Optional if your system administrator allows anonymous LDAP logins.

Your connection string should look similar to this:

LDAPUri=ldap://myldap.com:389/SERVICE_EXMPL,cn=OracleContext,dc=example,dc=com; User=ORACLEUSER; Password=OracleUserPassword;

Oracle Connector for CData Sync

Fine-Tuning Data Access

Oracle offers 2 different methods for tracking the changes from your source database:

  • Flashback Query
  • Oracle Logminer

Flashback vs. Logminer

Oracle Flashback is a lightweight solution that provides an efficient tracking mechanism for CData Sync. Once configured on your tables, Sync can execute Flashback queries on the source table to determine what changes have been made to the table since the previous run.

Oracle Logminer tracks changes in the redo logs allowing Sync to read those logs to determine the changes to a specfic table. The main difference vs. Orcale Flahsback is Sync does not interact with the source table. Instead, Sync reads directly from logs which has lower impact on the source database.

Enable Oracle Logminer

  1. Enable the Archivelog on your database, if it has not been already. This will require restarting the database.
      --Check if ArchiveLog is enabled already
      SELECT LOG_MODE FROM V$DATABASE
    
      --If LOG_MODE does not equal ARCHIVELOG
      SHUTDOWN IMMEDIATE;
      STARTUP MOUNT;
      ALTER DATABASE ARCHIVELOG;
      ALTER DATABASE OPEN;
    
  2. Ensure the database retains backups and archivelogs for 24 hours (CData recommends 7 days)
       RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;
  3. Enable supplemental logging at the Database or Table level. Only 1 is required
      --Database level
      ALTER DATABASE ADD SUPPLEMENTAL LOG DATA (ALL) COLUMNS
    
      --Table level
      ALTER TABLE <schema_name>.<table_name> ADD SUPPLEMENTAL LOG DATA (ALL) COLUMNS
  4. Ensure the user has the correct permissions for viewing the Logminer.

In CData Sync, create a Job with you Oracle source and select the Use Change Data Capture option.

Enable Oracle Flashback for CData Sync

  1. Set up the Tablespace (You will need to connect as the System user):
    	CREATE TABLESPACE <tablespace_name> DATAFILE SIZE 100M AUTOEXTEND ON MAXSIZE 200M;
  2. Create the Archive
    	CREATE FLASHBACK ARCHIVE <archive_name> TABLESPACE <tablespace_name> RETENTION 7 DAY;
    RETENTION specifies the time period for which archive information is kept in your database. It is best to set a larger window to give Sync time to resolve conflicts and errors. If the last successful Job run is outside the retention period (i.e. RETENTION is set to 7 Days but the last successful sync was 8 days previous), Sync will automatically replicate the full table to ensure no changes were missed.
  3. Enable Flashback on each table:
    	ALTER TABLE <table_name> FLASHBACK ARCHIVE <archive_name>;
    Note: To use Flashback, each table must have at least 1 Primary Key.

In CData Sync, create a Job with you Oracle source and select the Use Oracle Flashback option.

Oracle Connector for CData Sync

Advanced Features

This section details a selection of advanced features of the Oracle OCI Sync App.

Logging

For an overview of configuration settings that can be used to refine CData logging, see Logging. Only two connection properties are required for basic logging, but there are numerous features that support more refined logging, which enables you to use the LogModules connection property to specify subsets of information to be logged.

Oracle Connector for CData Sync

Connection String Options

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.

Authentication


PropertyDescription
ConnectionTypeSpecifies the method used to connect to Oracle OCI data.
ServerThe host name or IP of the server hosting the Oracle database you want to connect to.
PortThe port on which the Oracle OCI database service specified in the ServiceName connection property is hosted.
ServiceNameThe service name of the Oracle database you want to connect to.
SIDThe unique system identifier (SID) of the Oracle OCI database instance you want to connect to.
UserSpecifies the authenticating user's user ID.
PasswordSpecifies the authenticating user's password.
DataSourceSpecifies the Oracle database to connect to, using the Net Services Name, Connect Descriptor (TNS Connect String), or connection name.
LDAPUriLDAP URI associated with the LDAP server you want to connect to.
LDAPUserThe name of the user account on the specified LDAP server that you want to use to connect to Oracle OCI data.
LDAPPasswordThe password associated with the LDAP user specified in the LDAPUser connection property.
LDAPVersionThe LDAP version used to connect to and communicate with the Oracle OCI server.
WalletThe directory where the client's Oracle Wallet is located.

Logging


PropertyDescription
LogModulesSpecifies the core modules to include in the log file. Use a semicolon-separated list of module names. By default, all modules are logged.

Schema


PropertyDescription
LocationSpecifies the location of a directory containing schema files that define tables, views, and stored procedures. Depending on your service's requirements, this may be expressed as either an absolute path or a relative path.
BrowsableSchemasOptional setting that restricts the schemas reported to a subset of all available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC .
TablesOptional setting that restricts the tables reported to a subset of all available tables. For example, Tables=TableA,TableB,TableC .
ViewsOptional setting that restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC .
IncludeSynonymsSpecifies whether metadata is queried for synonyms as though they are the original tables.
ShowMetadataDescriptionsControls whether table and column descriptions are returned via the platform metadata APIs and sys_tables / sys_views / sys_tablecolumns.
UseDBAMetadataViewsSpecifies whether to obtain metadata from system views prefixed with 'ALL' or those prefixed with 'DBA'.

Miscellaneous


PropertyDescription
AllowPreparedStatementPrepare a query statement before its execution.
MaxLobSizeThe maximum number of bytes to display in records for fields of LOB data types.
MaxRowsSpecifies the maximum number of rows returned for queries that do not include either aggregation or GROUP BY.
NativeFolderThe path to the directory containing the native assemblies (.dll) the provider works with.
OtherSpecifies advanced connection properties for specialized scenarios. Use this property only under the guidance of our Support team to address specific issues.
QueryPassthroughThis option passes the query to the Oracle OCI server as is.
ReconnectTimeoutThe sleep time, in seconds, before attempting reconnect to the server after exceeding the maximum idle time for a connection attempt.
ReconnectTriesThe number of reconnection attempts that are made after exceeding the maximum idle time for an initial connection attempt.
SessionParametersUsed to specify additional session parameters after the initial connection has been established.
Oracle Connector for CData Sync

Authentication

This section provides a complete list of the Authentication properties you can configure in the connection string for this provider.


PropertyDescription
ConnectionTypeSpecifies the method used to connect to Oracle OCI data.
ServerThe host name or IP of the server hosting the Oracle database you want to connect to.
PortThe port on which the Oracle OCI database service specified in the ServiceName connection property is hosted.
ServiceNameThe service name of the Oracle database you want to connect to.
SIDThe unique system identifier (SID) of the Oracle OCI database instance you want to connect to.
UserSpecifies the authenticating user's user ID.
PasswordSpecifies the authenticating user's password.
DataSourceSpecifies the Oracle database to connect to, using the Net Services Name, Connect Descriptor (TNS Connect String), or connection name.
LDAPUriLDAP URI associated with the LDAP server you want to connect to.
LDAPUserThe name of the user account on the specified LDAP server that you want to use to connect to Oracle OCI data.
LDAPPasswordThe password associated with the LDAP user specified in the LDAPUser connection property.
LDAPVersionThe LDAP version used to connect to and communicate with the Oracle OCI server.
WalletThe directory where the client's Oracle Wallet is located.
Oracle Connector for CData Sync

ConnectionType

Specifies the method used to connect to Oracle OCI data.

Remarks

This connection property specifies the method used to connect to the Oracle OCI server.

The supported values are:

  • Server: connect by providing the Server address, Port number and ServiceName.
  • OracleTNS: use the TNS protocol to connect to the Oracle OCI server.
  • SID: connect to the server with an SID.
  • LDAP: connect via an LDAP server.

Oracle Connector for CData Sync

Server

The host name or IP of the server hosting the Oracle database you want to connect to.

Remarks

This connection property only applies when ConnectionType is set to Server or SID.

Oracle Connector for CData Sync

Port

The port on which the Oracle OCI database service specified in the ServiceName connection property is hosted.

Remarks

This connection property only applies when the ConnectionType connection property is set to Server or SID.

Oracle Connector for CData Sync

ServiceName

The service name of the Oracle database you want to connect to.

Remarks

This connection property is required when the ConnectionType connection property is set to Server.

You can obtain this value by querying the GLOBAL_NAME view in the Oracle SQL command line.

Oracle Connector for CData Sync

SID

The unique system identifier (SID) of the Oracle OCI database instance you want to connect to.

Remarks

This connection property is required when the ConnectionType connection property is set to SID.

You can obtain this value from the ORACLE_SID environment variable.

Oracle Connector for CData Sync

User

Specifies the authenticating user's user ID.

Remarks

The authenticating server requires both User and Password to validate the user's identity.

Oracle Connector for CData Sync

Password

Specifies the authenticating user's password.

Remarks

The authenticating server requires both User and Password to validate the user's identity.

Oracle Connector for CData Sync

DataSource

Specifies the Oracle database to connect to, using the Net Services Name, Connect Descriptor (TNS Connect String), or connection name.

Remarks

This connection property only applies when ConnectionType is set to OracleTNS.

This value is found in your tnsnames.ora file at ORACLE_HOME/network/admin/tnsnames.ora.

For example: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=my.company.net)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=ORCLPDB1.localdomain)))

Oracle Connector for CData Sync

LDAPUri

LDAP URI associated with the LDAP server you want to connect to.

Remarks

This connection property only applies when ConnectionType is set to LDAP.

The Sync App uses this URI to determine the Oracle's service name, which is stored on LDAP server in the TNS record format.

For example: ldap://myldap.com:389/SERVICE_EXMPL

Oracle Connector for CData Sync

LDAPUser

The name of the user account on the specified LDAP server that you want to use to connect to Oracle OCI data.

Remarks

This connection property only applies when ConnectionType is set to LDAP.

If your system administrator allows anonymous LDAP logins, this connection property is optional.

Oracle Connector for CData Sync

LDAPPassword

The password associated with the LDAP user specified in the LDAPUser connection property.

Remarks

This connection property only applies when ConnectionType is set to LDAP.

If your system administrator allows anonymous LDAP logins, this connection property is optional.

Oracle Connector for CData Sync

LDAPVersion

The LDAP version used to connect to and communicate with the Oracle OCI server.

Remarks

This connection property only applies when ConnectionType is set to LDAP.

You can set this property to either 2 or 3 to connect to the respective LDAP version.

The Sync App connects to a standard LDAP client as specified in RFC 1777, 2251, and other LDAP RFCs.

Oracle Connector for CData Sync

Wallet

The directory where the client's Oracle Wallet is located.

Remarks

This connection property only applies when the ConnectionType connection property is set to Server or SID.

When you use a TNS connection string in the DataSource connection property, the Sync App first checks the TNS string for WALLET_LOCATION. If the string contains no WALLET_LOCATION value, the Sync App uses the wallet in the location specified in this connection property instead.

This property is required to set up a secure TCPS connection.

Oracle Connector for CData Sync

Logging

This section provides a complete list of the Logging properties you can configure in the connection string for this provider.


PropertyDescription
LogModulesSpecifies the core modules to include in the log file. Use a semicolon-separated list of module names. By default, all modules are logged.
Oracle Connector for CData Sync

LogModules

Specifies the core modules to include in the log file. Use a semicolon-separated list of module names. By default, all modules are logged.

Remarks

The Sync App writes details about each operation it performs into the logfile specified by the Logfile connection property.

Each of these logged operations are assigned to a themed category called a module, and each module has a corresponding short code used to labels individual Sync App operations as belonging to that module.

When this connection property is set to a semicolon-separated list of module codes, only operations belonging to the specified modules are written to the logfile. Note that this only affects which operations are logged moving forward and doesn't retroactively alter the existing contents of the logfile. For example: INFO;EXEC;SSL;META;

By default, logged operations from all modules are included.

You can explicitly exclude a module by prefixing it with a "-". For example: -HTTP

To apply filters to submodules, identify them with the syntax <module name>.<submodule name>. For example, the following value causes the Sync App to only log actions belonging to the HTTP module, and further refines it to exclude actions belonging to the Res submodule of the HTTP module: HTTP;-HTTP.Res

Note that the logfile filtering triggered by the Verbosity connection property takes precedence over the filtering imposed by this connection property. This means that operations of a higher verbosity level than the level specified in the Verbosity connection property are not printed in the logfile, even if they belong to one of the modules specified in this connection property.

The available modules and submodules are:

Module Name Module Description Submodules
INFO General Information. Includes the connection string, product version (build number), and initial connection messages.
  • Connec – Information related to creating or destroying connections.
  • Messag – Generic label for messages pertaining to connections, the connection string, and product version. These messages are typically specific to the Sync App, rather than being received and passed along directly from the service.
EXEC Query Execution. Includes execution messages for user-written SQL queries, parsed SQL queries, and normalized SQL queries. Success/failure messages for queries and query pages appear here as well.
  • Messag – Messages pertaining to query execution. These messages are typically specific to the Sync App, rather than being received and passed along directly from the service.
  • Normlz – Query normalization steps. Query normalization is when the product takes the user-submitted query and rewrites the query to get the same results with optimal performance.
  • Origin – This label applies to any messages recording a user's original query (the exact, unaltered, non-normalized query executed by the user).
  • Page – Messages related to query paging.
  • Parsed – Query parsing steps. Parsing is the process of converting the user-submitted query into a standardized format for easier processing.
HTTP HTTP protocol messages. Includes HTTP requests/responses (including POST messages), as well as Kerberos related messages.
  • KERB – HTTP requests related to Kerberos.
  • Messag – Messages pertaining to HTTP protocols. These messages are typically specific to the Sync App, rather than being received and passed along directly from the service.
  • Unpack – This label applies to messages about zipped data being returned from the service API and unpacked by the product.
  • Res – Messages containing HTTP responses.
  • Req – Messages containing HTTP requests.
WSDL Messages pertaining to the generation of WSDL/XSD files. —
SSL SSL certificate messages.
  • Certif – Messages pertaining to SSL certificates.
AUTH Authentication related failure/success messages.
  • Messag – Messages pertaining to authentication. These messages are typically specific to the Sync App, rather than being received and passed along directly from the service.
  • OAuth – Messages related to OAuth authentication.
  • Krbros – Kerberos-related authentication messages.
SQL Includes SQL transactions, SQL bulk transfer messages, and SQL result set messages.
  • Bulk – Messages pertaining to bulk query execution.
  • Cache – Messages related to reading row data from and writing row data to the product's cache for better performance.
  • Messag – Messages pertaining to SQL transactions. These messages are typically specific to the Sync App, rather than being received and passed along directly from the service.
  • ResSet – Query resultsets.
  • Transc – Messages related to handling transactions, including information about the number of jobs executed and backup table handling.
META Metadata cache and schema messages.
  • Cache – Messages related to reading from and modifying column and table definitions in the product's cache for better performance.
  • Schema – Messages related to retrieving metadata from or modifying the service schema.
  • MemSto – Messages related to writing to or reading from in-memory metadata cache.
  • Storag – Messages relating to storing metadata on disk or in an external data store, rather than in memory.
FUNC Information related to executing SQL functions.
  • Errmsg – Error messages related to executing SQL functions.
TCP Incoming and outgoing raw bytes on TCP transport layer messages.
  • Send – Raw data sent via the TCP protocol.
  • Receiv – Raw data received via the TCP protocol.
FTP Messages pertaining to the File Transfer Protocol.
  • Info – Status messages related to communication in the FTP protocol.
  • Client – Messages related to actions taken by the FTP client (the product) during FTP communication.
  • Server – Messages related to actions taken by the FTP server during FTP communication.
SFTP Messages pertaining to the Secure File Transfer Protocol.
  • Info – Status messages related to communication in the SFTP protocol.
  • To_Server – Messages related to actions taken by the SFTP client (the product) during SFTP communication.
  • From_Server – Messages related to actions taken by the SFTP server during SFTP communication.
POP Messages pertaining to data transferred via the Post Office Protocol.
  • Client – Messages related to actions taken by the POP client (the product) during POP communication.
  • Server – Messages related to actions taken by the POP server during POP communication.
  • Status – Status messages related to communication in the POP protocol.
SMTP Messages pertaining to data transferred via the Simple Mail Transfer Protocol.
  • Client – Messages related to actions taken by the SMTP client (the product) during SMTP communication.
  • Server – Messages related to actions taken by the SMTP server during SMTP communication.
  • Status – Status messages related to communication in the SMTP protocol.
CORE Messages relating to various internal product operations not covered by other modules. —
DEMN Messages related to SQL remoting. —
CLJB Messages about bulk data uploads (cloud job).
  • Commit – Submissions for bulk data uploads.
SRCE Miscellaneous messages produced by the product that don't belong in any other module. —
TRANCE Advanced messages concerning low-level product operations. —

Oracle Connector for CData Sync

Schema

This section provides a complete list of the Schema properties you can configure in the connection string for this provider.


PropertyDescription
LocationSpecifies the location of a directory containing schema files that define tables, views, and stored procedures. Depending on your service's requirements, this may be expressed as either an absolute path or a relative path.
BrowsableSchemasOptional setting that restricts the schemas reported to a subset of all available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC .
TablesOptional setting that restricts the tables reported to a subset of all available tables. For example, Tables=TableA,TableB,TableC .
ViewsOptional setting that restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC .
IncludeSynonymsSpecifies whether metadata is queried for synonyms as though they are the original tables.
ShowMetadataDescriptionsControls whether table and column descriptions are returned via the platform metadata APIs and sys_tables / sys_views / sys_tablecolumns.
UseDBAMetadataViewsSpecifies whether to obtain metadata from system views prefixed with 'ALL' or those prefixed with 'DBA'.
Oracle Connector for CData Sync

Location

Specifies the location of a directory containing schema files that define tables, views, and stored procedures. Depending on your service's requirements, this may be expressed as either an absolute path or a relative path.

Remarks

The Location property is only needed if you want to either customize definitions (for example, change a column name, ignore a column, etc.) or extend the data model with new tables, views, or stored procedures.

If left unspecified, the default location is %APPDATA%\\CData\\OracleOci Data Provider\\Schema, where %APPDATA% is set to the user's configuration directory:

Platform %APPDATA%
Windows The value of the APPDATA environment variable
Linux ~/.config

Oracle Connector for CData Sync

BrowsableSchemas

Optional setting that restricts the schemas reported to a subset of all available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC .

Remarks

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.

Oracle Connector for CData Sync

Tables

Optional setting that restricts the tables reported to a subset of all available tables. For example, Tables=TableA,TableB,TableC .

Remarks

Listing all available tables from some databases can take extra time, thus degrading performance. Providing a list of tables in the connection string saves time and improves performance.

If there are lots of tables available and you already know which ones you want to work with, you can use this property to restrict your viewing to only those tables. To do this, specify the tables you want in a comma-separated list. Each table should be a valid SQL identifier with any special characters escaped using square brackets, double-quotes or backticks. For example, Tables=TableA,[TableB/WithSlash],WithCatalog.WithSchema.`TableC With Space`.

Note: If you are connecting to a data source with multiple schemas or catalogs, you must specify each table you want to view by its fully qualified name. This avoids ambiguity between tables that may exist in multiple catalogs or schemas.

Oracle Connector for CData Sync

Views

Optional setting that restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC .

Remarks

Listing all available views from some databases can take extra time, thus degrading performance. Providing a list of views in the connection string saves time and improves performance.

If there are lots of views available and you already know which ones you want to work with, you can use this property to restrict your viewing to only those views. To do this, specify the views you want in a comma-separated list. Each view should be a valid SQL identifier with any special characters escaped using square brackets, double-quotes or backticks. For example, Views=ViewA,[ViewB/WithSlash],WithCatalog.WithSchema.`ViewC With Space`.

Note: If you are connecting to a data source with multiple schemas or catalogs, you must specify each view you want to examine by its fully qualified name. This avoids ambiguity between views that may exist in multiple catalogs or schemas.

Oracle Connector for CData Sync

IncludeSynonyms

Specifies whether metadata is queried for synonyms as though they are the original tables.

Remarks

In an Oracle OCI database, a synonym is an alternate name for a table or view.

When this connection property is set to True (the default), the Sync App exposes synonyms as their own tables with identical metadata. Queries targeting these synonym tables query the same underlying Oracle OCI objects as the tables they are synonyms of.

When this connection property is set to False, the Sync App does not list table and view synonyms. Since the Sync App does not need to resolve which synonyms correspond to which objects in the Oracle OCI database, this improves metadata performance.

Oracle Connector for CData Sync

ShowMetadataDescriptions

Controls whether table and column descriptions are returned via the platform metadata APIs and sys_tables / sys_views / sys_tablecolumns.

Remarks

By default, table and column descriptions are not shown in the system tables of the Sync App, since the Oracle OCI service is designed such that the Sync App must internally perform time-consuming additional join operations to retrieve this metadata.

When this connection property is set to True, the Sync App returns table and column descriptions in system tables, but the join operations required to return these results leads to reduced performance for metadata operations on large datasets.

Oracle Connector for CData Sync

UseDBAMetadataViews

Specifies whether to obtain metadata from system views prefixed with 'ALL' or those prefixed with 'DBA'.

Remarks

When this connection property is set to False (the default), the Sync App queries system views whose names start with "ALL" to retrieve metadata for the objects accessible to the current user. These system views only return metadata for Sync App objects the authenticated user has sufficient privileges to access.

When this connection property is set to True, the Sync App instead queries system views whose names start with "DBA" to obtain metadata. These system views provide metadata for all of the Oracle OCI objects in the database, but this option will not work if the current user has insufficient privileges to access "DBA_.." system views.

Oracle Connector for CData Sync

Miscellaneous

This section provides a complete list of the Miscellaneous properties you can configure in the connection string for this provider.


PropertyDescription
AllowPreparedStatementPrepare a query statement before its execution.
MaxLobSizeThe maximum number of bytes to display in records for fields of LOB data types.
MaxRowsSpecifies the maximum number of rows returned for queries that do not include either aggregation or GROUP BY.
NativeFolderThe path to the directory containing the native assemblies (.dll) the provider works with.
OtherSpecifies advanced connection properties for specialized scenarios. Use this property only under the guidance of our Support team to address specific issues.
QueryPassthroughThis option passes the query to the Oracle OCI server as is.
ReconnectTimeoutThe sleep time, in seconds, before attempting reconnect to the server after exceeding the maximum idle time for a connection attempt.
ReconnectTriesThe number of reconnection attempts that are made after exceeding the maximum idle time for an initial connection attempt.
SessionParametersUsed to specify additional session parameters after the initial connection has been established.
Oracle Connector for CData Sync

AllowPreparedStatement

Prepare a query statement before its execution.

Remarks

Specifies whether, when the Sync App executes SQL queries, those queries are passed onto the Oracle OCI database, which compiles the submitted SQL into more performant PL\SQL code before executing the query.

If this connection property is set to True, the Sync App retains the compiled form of each query, and for any repeated executions of the query, the Sync App, rather than submitting the query for compilation, submits this precompiled query, also known as a prepared statement.

This skips the compilation step entirely and the Oracle OCI database executes this precompiled code as-is. Avoiding recompiling the same query over and over can improve performance if you are executing the same queries several times.

Note that the Sync App only retains prepared statements in memory for the duration of the current connection -- they will need to be compiled again to regain the performance benefit seen with repeatedly executed queries.

If this connection property is set to False, the Sync App submits every query to Oracle OCI to be compiled before execution. This is useful if you are executing many unique queries once (rather than repeatedly executing the same queries).

If you are not going to execute the same queries multiple times, there is no benefit to holding precompiled queries in memory, and so disabling this connection property can save that memory and potentially improve performance in memory-limited scenarios.

Oracle Connector for CData Sync

MaxLobSize

The maximum number of bytes to display in records for fields of LOB data types.

Remarks

When querying columns with a LOB data type (BLOB, CLOB, NCLOB, etc.), the Sync App truncates all bytes in excess of the number specified in this connection property for each record in the query results.

If this connection property is set to 0 or a negative value, the default value (2000 bytes) is used.

Oracle Connector for CData Sync

MaxRows

Specifies the maximum number of rows returned for queries that do not include either aggregation or GROUP BY.

Remarks

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.

Oracle Connector for CData Sync

NativeFolder

The path to the directory containing the native assemblies (.dll) the provider works with.

Remarks

By default (when this connection property has an empty value), the Sync App relies on the standard system policy for loading the native Oracle OCI assemblies.

If the prodtype; cannot locate the required assemblies using the system policy, you can manually supply the location of the assemblies using this connection property. The Sync App can accept both the full path and the path relative to your executable.

These assembly files can be found in the lib folder inside the installation directory of the Sync App.

This connection property only applies when using the Sync App on Windows and macOS platforms.

Oracle Connector for CData Sync

Other

Specifies advanced connection properties for specialized scenarios. Use this property only under the guidance of our Support team to address specific issues.

Remarks

This property allows advanced users to configure hidden properties for specialized situations, with the advice of our Support team. These settings are not required for normal use cases but can address unique requirements or provide additional functionality. To define multiple properties, use a semicolon-separated list.

Note: It is strongly recommended to set these properties only when advised by the Support team to address specific scenarios or issues.

Integration and Formatting

PropertyDescription
DefaultColumnSizeSets the default length of string fields when the data source does not provide column length in the metadata. The default value is 2000.
ConvertDateTimeToGMT=TrueConverts date-time values to GMT, instead of the local time of the machine. The default value is False (use local time).
RecordToFile=filenameRecords the underlying socket data transfer to the specified file.

Oracle Connector for CData Sync

QueryPassthrough

This option passes the query to the Oracle OCI server as is.

Remarks

When this is set, queries are passed through directly to Oracle OCI.

Oracle Connector for CData Sync

ReconnectTimeout

The sleep time, in seconds, before attempting reconnect to the server after exceeding the maximum idle time for a connection attempt.

Remarks

The ReconnectTries property must be greater than 0 for this value to have any effect.

Oracle Connector for CData Sync

ReconnectTries

The number of reconnection attempts that are made after exceeding the maximum idle time for an initial connection attempt.

Remarks

When this connection property is set to a value above 0 and an initial attempt to connect to the Oracle OCI server fails (when an 'ORA-02396: exceeded maximum idle time' error is received from the server), the Sync App automatically reattempts the connection the number of times specified. When this connection property is set to 0 (the default value) or a negative number, the Sync App will not reattempt the connection if the initial attempt fails.

Oracle Connector for CData Sync

SessionParameters

Used to specify additional session parameters after the initial connection has been established.

Remarks

This property enables advanced users to configure session parameters using the ALTER SESSION statement. These settings are not required for normal use cases, but can address unique requirements.

To define the desired properties, use a semicolon-separated list of 'parameter=value' pairs.

The only parameter currently supported is CONTAINER_DATA.

Oracle Connector for CData Sync

Third Party Copyrights

LZMA from 7Zip LZMA SDK

LZMA SDK is placed in the public domain.

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.

LZMA2 from XZ SDK

Version 1.9 and older are in the public domain.

Xamarin.Forms

Xamarin SDK

The MIT License (MIT)

Copyright (c) .NET Foundation Contributors

All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

NSIS 3.10

Copyright (C) 1999-2025 Contributors THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS COMMON PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.

1. DEFINITIONS

"Contribution" means:

a) in the case of the initial Contributor, the initial code and documentation distributed under this Agreement, and b) in the case of each subsequent Contributor:

i) changes to the Program, and

ii) additions to the Program;

where such changes and/or additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or anyone acting on such Contributor's behalf. Contributions do not include additions to the Program which: (i) are separate modules of software distributed in conjunction with the Program under their own license agreement, and (ii) are not derivative works of the Program.

"Contributor" means any person or entity that distributes the Program.

"Licensed Patents " mean patent claims licensable by a Contributor which are necessarily infringed by the use or sale of its Contribution alone or when combined with the Program.

"Program" means the Contributions distributed in accordance with this Agreement.

"Recipient" means anyone who receives the Program under this Agreement, including all Contributors.

2. GRANT OF RIGHTS

a) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, distribute and sublicense the Contribution of such Contributor, if any, and such derivative works, in source code and object code form.

b) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free patent license under Licensed Patents to make, use, sell, offer to sell, import and otherwise transfer the Contribution of such Contributor, if any, in source code and object code form. This patent license shall apply to the combination of the Contribution and the Program if, at the time the Contribution is added by the Contributor, such addition of the Contribution causes such combination to be covered by the Licensed Patents. The patent license shall not apply to any other combinations which include the Contribution. No hardware per se is licensed hereunder.

c) Recipient understands that although each Contributor grants the licenses to its Contributions set forth herein, no assurances are provided by any Contributor that the Program does not infringe the patent or other intellectual property rights of any other entity. Each Contributor disclaims any liability to Recipient for claims brought by any other entity based on infringement of intellectual property rights or otherwise. As a condition to exercising the rights and licenses granted hereunder, each Recipient hereby assumes sole responsibility to secure any other intellectual property rights needed, if any. For example, if a third party patent license is required to allow Recipient to distribute the Program, it is Recipient's responsibility to acquire that license before distributing the Program.

d) Each Contributor represents that to its knowledge it has sufficient copyright rights in its Contribution, if any, to grant the copyright license set forth in this Agreement.

3. REQUIREMENTS

A Contributor may choose to distribute the Program in object code form under its own license agreement, provided that:

a) it complies with the terms and conditions of this Agreement; and

b) its license agreement:

i) effectively disclaims on behalf of all Contributors all warranties and conditions, express and implied, including warranties or conditions of title and non-infringement, and implied warranties or conditions of merchantability and fitness for a particular purpose;

ii) effectively excludes on behalf of all Contributors all liability for damages, including direct, indirect, special, incidental and consequential damages, such as lost profits;

iii) states that any provisions which differ from this Agreement are offered by that Contributor alone and not by any other party; and

iv) states that source code for the Program is available from such Contributor, and informs licensees how to obtain it in a reasonable manner on or through a medium customarily used for software exchange.

When the Program is made available in source code form:

a) it must be made available under this Agreement; and

b) a copy of this Agreement must be included with each copy of the Program.

Contributors may not remove or alter any copyright notices contained within the Program.

Each Contributor must identify itself as the originator of its Contribution, if any, in a manner that reasonably allows subsequent Recipients to identify the originator of the Contribution.

4. COMMERCIAL DISTRIBUTION

Commercial distributors of software may accept certain responsibilities with respect to end users, business partners and the like. While this license is intended to facilitate the commercial use of the Program, the Contributor who includes the Program in a commercial product offering should do so in a manner which does not create potential liability for other Contributors. Therefore, if a Contributor includes the Program in a commercial product offering, such Contributor ("Commercial Contributor") hereby agrees to defend and indemnify every other Contributor ("Indemnified Contributor") against any losses, damages and costs (collectively "Losses") arising from claims, lawsuits and other legal actions brought by a third party against the Indemnified Contributor to the extent caused by the acts or omissions of such Commercial Contributor in connection with its distribution of the Program in a commercial product offering. The obligations in this section do not apply to any claims or Losses relating to any actual or alleged intellectual property infringement. In order to qualify, an Indemnified Contributor must: a) promptly notify the Commercial Contributor in writing of such claim, and b) allow the Commercial Contributor to control, and cooperate with the Commercial Contributor in, the defense and any related settlement negotiations. The Indemnified Contributor may participate in any such claim at its own expense.

For example, a Contributor might include the Program in a commercial product offering, Product X. That Contributor is then a Commercial Contributor. If that Commercial Contributor then makes performance claims, or offers warranties related to Product X, those performance claims and warranties are such Commercial Contributor's responsibility alone. Under this section, the Commercial Contributor would have to defend claims against the other Contributors related to those performance claims and warranties, and if a court requires any other Contributor to pay any damages as a result, the Commercial Contributor must pay those damages.

5. NO WARRANTY

EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is solely responsible for determining the appropriateness of using and distributing the Program and assumes all risks associated with its exercise of rights under this Agreement, including but not limited to the risks and costs of program errors, compliance with applicable laws, damage to or loss of data, programs or equipment, and unavailability or interruption of operations.

6. DISCLAIMER OF LIABILITY

EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

7. GENERAL

If any provision of this Agreement is invalid or unenforceable under applicable law, it shall not affect the validity or enforceability of the remainder of the terms of this Agreement, and without further action by the parties hereto, such provision shall be reformed to the minimum extent necessary to make such provision valid and enforceable.

If Recipient institutes patent litigation against a Contributor with respect to a patent applicable to software (including a cross-claim or counterclaim in a lawsuit), then any patent licenses granted by that Contributor to such Recipient under this Agreement shall terminate as of the date such litigation is filed. In addition, if Recipient institutes patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Program itself (excluding combinations of the Program with other software or hardware) infringes such Recipient's patent(s), then such Recipient's rights granted under Section 2(b) shall terminate as of the date such litigation is filed.

All Recipient's rights under this Agreement shall terminate if it fails to comply with any of the material terms or conditions of this Agreement and does not cure such failure in a reasonable period of time after becoming aware of such noncompliance. If all Recipient's rights under this Agreement terminate, Recipient agrees to cease use and distribution of the Program as soon as reasonably practicable. However, Recipient's obligations under this Agreement and any licenses granted by Recipient relating to the Program shall continue and survive.

Everyone is permitted to copy and distribute copies of this Agreement, but in order to avoid inconsistency the Agreement is copyrighted and may only be modified in the following manner. The Agreement Steward reserves the right to publish new versions (including revisions) of this Agreement from time to time. No one other than the Agreement Steward has the right to modify this Agreement. IBM is the initial Agreement Steward. IBM may assign the responsibility to serve as the Agreement Steward to a suitable separate entity. Each new version of the Agreement will be given a distinguishing version number. The Program (including Contributions) may always be distributed subject to the version of the Agreement under which it was received. In addition, after a new version of the Agreement is published, Contributor may elect to distribute the Program (including its Contributions) under the new version. Except as expressly stated in Sections 2(a) and 2(b) above, Recipient receives no rights or licenses to the intellectual property of any Contributor under this Agreement, whether expressly, by implication, estoppel or otherwise. All rights in the Program not expressly granted under this Agreement are reserved.

This Agreement is governed by the laws of the State of New York and the intellectual property laws of the United States of America. No party to this Agreement will bring a legal action under this Agreement more than one year after the cause of action arose. Each party waives its rights to a jury trial in any resulting litigation.

OCI Library

InstantClient 21.8, 23.3, and 19.8

Copyright (c) 2007-2020 OCILIB (C and C++ Driver for Oracle) All rights reserved.

Website: http://www.ocilib.net

The Apache License

Version 2.0, January 2004

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

1. Definitions.

"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.

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(c) You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and

(d) If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License.

You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.

5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.

6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.

7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.

8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.

9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.

END OF TERMS AND CONDITIONS

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