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Sends a prefetch request with a cursor open request when this parameter is enabled.
Enabling this option sends a prefetch request with a cursor open request, thereby eliminating a network request to fetch rows each time a cursor is opened. Columns must already be bound in order for the prefetch to occur on the open. Rebinding columns between the cursor open and the first fetch when using PrefetchOnOpen will cause reduced performance.
Making ODBC calls to SQLExecute or SQLExecDirect on a query or stored procedure which returns a result set causes a cursor open.
Enabling this option can improve performance if your:
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