Oracle Objects for OLE
Release 9.2

Part Number A95895-01
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Tuning and Customization

Data access can be tuned and customized by altering a Dynaset's cache and fetch parameters. Setting FetchLimit to a higher value increases the number of rows that are fetched with each request, thus reducing the number of network trips to the Oracle Server, which in turn improves performance.

The cost of increasing the FetchLimit is that it increases memory requirements on the client-side, and causes more data to be swapped to and from the temporary cache file on disk. So the proper FetchLimit should be set according to the client computer configuration and the anticipated size of the query result.

FetchLimit can be set in the following ways:

· By using the CreateCustomDynaset method.

· By modifying parameters of the OO4O entry in the Windows Registry. For Windows NT and Windows 95, the Registry key is HKEY_LOCAL_MACHINE and the subkey is software\oracle\oo4o. The OO4O installation creates the following section in the Registry:

"FetchLimit" = 100

See Also


 
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