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Normally, you will not need to amend this feature list beyond the defaults, but if your database vendor brings out a new version that can still be connected to by the existing protocol, or if you are accessing an unspecified data source through the generic ODBC database type, you can amend this list to reflect the correct set of features for your database.

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Cover of Oracle Business Intelligence 11g Developers Guide

Note

one way to improve the BI server performance when using unknown data source using ODBC connection