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The Adapter for Netezza provides several parameters for customizing the environment and optimizing performance.
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TIMEOUT specifies the number of seconds the adapter will wait for a response after you issue an SQL request to Netezza.
ENGINE SQLNEZ SET TIMEOUT {nn|0}
where:
Indicates the adapter. You can omit this value if you previously issued the SET SQLENGINE command.
Is the number of seconds before a time-out occurs. 30 is the default value.
Represents an infinite period to wait for a response.
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You can cancel long running requests from the Web Console. Depending on the capabilities of the native JDBC driver, this action will either cancel the request entirely or break out of the fetch cycle.
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PASSRECS returns the number of rows affected by a successfully executed SQL Passthru INSERT, UPDATE, or DELETE command.
Tip: You can change this setting manually or from the Web Console by clicking Data Adapters on the menu bar, clicking a configured adapter, and choosing Change Settings from the menu. The Change Settings pane opens.
ENGINE SQLNEZ SET PASSRECS {ON|OFF}
where:
Indicates the adapter. You can omit this value if you previously issued the SET SQLENGINE command.
Provides the number of rows affected in the application program SCB count member after the successful execution of an SQL Passthru INSERT, UPDATE, or DELETE command. ON is the default value.
Provides no information after the successful execution of an SQL Passthru INSERT, UPDATE, or DELETE command.
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You can specify the transaction isolation level from the Web Console or using the SET ISOLATION command.
You can specify transaction isolation level by issuing the following command
ENGINE SQLNEZ SET ISOLATION {RU|RC|RR|SE}
where:
Sets the transaction isolation level to Read Uncommitted.
Sets the transaction isolation level to Read Committed.
Sets the transaction isolation level to Repeatable Read.
Sets the transaction isolation level to Serializable Read.
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