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.
| Property | Description |
| AuthScheme | The type of authentication to use when connecting to Couchbase. |
| User | The Couchbase user account used to authenticate. |
| Password | The password used to authenticate the user. |
| CredentialsFile | Use this property if you need to provide credentials for multiple users or buckets. This file takes priority over other forms of authentication. |
| Server | The address of the Couchbase server or servers to which you are connecting. |
| CouchbaseService | Determines the Couchbase service to connect to. Default is N1QL. Available options are N1QL and Analytics. |
| ConnectionMode | Determines how to connect to the Couchbase server. Must be either Direct or Cloud. |
| DNSServer | Determines what DNS server to use when retrieving Couchbase Capella information. |
| N1QLPort | The port for connecting to the Couchbase N1QL Endpoint. |
| AnalyticsPort | The port for connecting to the Couchbase Analytics Endpoint. |
| WebConsolePort | The port for connecting to the Couchbase Web Console. |
| Property | Description |
| SSLClientCert | The TLS/SSL client certificate store for SSL Client Authentication (2-way SSL). |
| SSLClientCertType | The type of key store containing the TLS/SSL client certificate. |
| SSLClientCertPassword | The password for the TLS/SSL client certificate. |
| SSLClientCertSubject | The subject of the TLS/SSL client certificate. |
| UseSSL | Whether to negotiate TLS/SSL when connecting to the Couchbase server. |
| SSLServerCert | The certificate to be accepted from the server when connecting using TLS/SSL. |
| Property | Description |
| FirewallType | The protocol used by a proxy-based firewall. |
| FirewallServer | The name or IP address of a proxy-based firewall. |
| FirewallPort | The TCP port for a proxy-based firewall. |
| FirewallUser | The user name to use to authenticate with a proxy-based firewall. |
| FirewallPassword | A password used to authenticate to a proxy-based firewall. |
| Property | Description |
| ProxyAutoDetect | This indicates whether to use the system proxy settings or not. This takes precedence over other proxy settings, so you'll need to set ProxyAutoDetect to FALSE in order use custom proxy settings. |
| ProxyServer | The hostname or IP address of a proxy to route HTTP traffic through. |
| ProxyPort | The TCP port the ProxyServer proxy is running on. |
| ProxyAuthScheme | The authentication type to use to authenticate to the ProxyServer proxy. |
| ProxyUser | A user name to be used to authenticate to the ProxyServer proxy. |
| ProxyPassword | A password to be used to authenticate to the ProxyServer proxy. |
| ProxySSLType | The SSL type to use when connecting to the ProxyServer proxy. |
| ProxyExceptions | A semicolon separated list of destination hostnames or IPs that are exempt from connecting through the ProxyServer . |
| Property | Description |
| Logfile | A filepath which designates the name and location of the log file. |
| Verbosity | The verbosity level that determines the amount of detail included in the log file. |
| LogModules | Core modules to be included in the log file. |
| MaxLogFileSize | A string specifying the maximum size in bytes for a log file (for example, 10 MB). |
| MaxLogFileCount | A string specifying the maximum file count of log files. |
| Property | Description |
| Location | A path to the directory that contains the schema files defining tables, views, and stored procedures. |
| BrowsableSchemas | This property restricts the schemas reported to a subset of the available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC. |
| Tables | This property restricts the tables reported to a subset of the available tables. For example, Tables=TableA,TableB,TableC. |
| Views | Restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC. |
| Dataverse | Which Analytics dataverse to scan when discovering tables. |
| TypeDetectionScheme | Determines how the provider builds tables and columns from the buckets found in Couchbase. |
| InferNumSampleValues | The maximum number of values for every field to scan before determining its data type. Applies to Automatic Schema Discovery when TypeDetectionScheme is set to INFER. |
| InferSampleSize | The maximum number of documents to scan for the columns available in the bucket. Applies to Automatic Schema Discovery when TypeDetectionScheme is set to INFER. |
| InferSimilarityMetric | Specifies the similarity degree where different schemas will be considered to be the same flavor. Applies to Automatic Schema Discovery when TypeDetectionScheme is set to INFER. |
| FlexibleSchemas | Whether the provider allows queries to use columns that it has not discovered. |
| ExposeTTL | Specifies whether document TTL information should be exposed. |
| NumericStrings | Whether to allow string values to be treated as numbers. |
| IgnoreChildAggregates | Whether the provider exposes aggregate columns that are also available as child tables. Ignored if TableSupport is not set to Full. |
| TableSupport | How much effort the provider will put into discovering tables on the Couchbase server. |
| NewChildJoinsMode | Determines the kind of child table model the provider exposes. |
| Property | Description |
| AutoCache | Automatically caches the results of SELECT queries into a cache database specified by either CacheLocation or both of CacheConnection and CacheProvider . |
| CacheDriver | The database driver used to cache data. |
| CacheConnection | The connection string for the cache database. This property is always used in conjunction with CacheProvider . Setting both properties will override the value set for CacheLocation for caching data. |
| CacheLocation | Specifies the path to the cache when caching to a file. |
| CacheTolerance | The tolerance for stale data in the cache specified in seconds when using AutoCache . |
| Offline | Use offline mode to get the data from the cache instead of the live source. |
| CacheMetadata | This property determines whether or not to cache the table metadata to a file store. |
| Property | Description |
| AllowJSONParameters | Allows raw JSON to be used in parameters when QueryPassthrough is enabled. |
| BatchSize | The maximum size of each batch operation to submit. |
| ChildSeparator | The character or characters used to denote child tables. |
| ConnectionLifeTime | The maximum lifetime of a connection in seconds. Once the time has elapsed, the connection object is disposed. |
| ConnectOnOpen | This property specifies whether to connect to the Couchbase when the connection is opened. |
| CreateTableRamQuota | The default RAM quota, in megabytes, to use when inserting buckets via the CREATE TABLE syntax. |
| DataverseSeparator | The character or characters used to denote Analytics dataverses and scopes/collections. |
| FlattenArrays | The number of elements to expose as columns from nested arrays. Ignored if IgnoreChildAggregates is enabled. |
| FlattenObjects | Set FlattenObjects to true to flatten object properties into columns of their own. Otherwise, objects nested in arrays are returned as strings of JSON. |
| FlavorSeparator | The character or characters used to denote flavors. |
| GenerateSchemaFiles | Indicates the user preference as to when schemas should be generated and saved. |
| InsertNullValues | Determines whether an INSERT should include fields that have NULL values. |
| MaxRows | Limits the number of rows returned rows when no aggregation or group by is used in the query. This helps avoid performance issues at design time. |
| Other | These hidden properties are used only in specific use cases. |
| Pagesize | The maximum number of results to return per page from Couchbase. |
| PeriodsSeparator | The character or characters used to denote hierarchy. |
| PoolIdleTimeout | The allowed idle time for a connection before it is closed. |
| PoolMaxSize | The maximum connections in the pool. |
| PoolMinSize | The minimum number of connections in the pool. |
| PoolWaitTime | The max seconds to wait for an available connection. |
| PseudoColumns | This property indicates whether or not to include pseudo columns as columns to the table. |
| QueryExecutionTimeout | This sets the server-side timeout for the query, which governs how long Couchbase will execute the query before returning a timeout error. |
| QueryPassthrough | This option passes the query to the Couchbase server as is. |
| Readonly | You can use this property to enforce read-only access to Couchbase from the provider. |
| RowScanDepth | The maximum number of rows to scan to look for the columns available in a table. |
| RTK | The runtime key used for licensing. |
| StrictComparison | Adjusts how precisely to translate filters on SQL input queries into Couchbase queries. This can be set to a comma-separated list of values, where each value can be one of: date, number, boolean, or string. |
| Timeout | The value in seconds until the timeout error is thrown, canceling the operation. |
| TransactionDurability | Specifies how a document must be stored for a transaction to succeed. Specifies whether to use N1QL transactions when executing queries. |
| TransactionTimeout | This sets the amount of time a transaction may execute before it is timed out by Couchbase. |
| UpdateNullValues | Determines whether an UPDATE writes NULL values as NULL, or removes them. |
| UseCollectionsForDDL | Whether to assume that CREATE TABLE statements use collections instead of flavors. Only takes effect when connecting to Couchbase v7+ and GenerateSchemaFiles is set to OnCreate. |
| UseConnectionPooling | This property enables connection pooling. |
| UserDefinedViews | A filepath pointing to the JSON configuration file containing your custom views. |
| UseTransactions | Specifies whether to use N1QL transactions when executing queries. |
| ValidateJSONParameters | Allows the provider to validate that string parameters are valid JSON before sending the query to Couchbase. |