OBI Server is not mere SQL Generator:
SQL is generated by Oracle BI Server against the data sources using the data source connection, information from the repository, and database-specific parameters stored in a DBFeatures.ini file. Thus, Oracle BI Server is not just a SQL generator. It determines the best source and the optimal way to access data. In some cases, Oracle BI Server takes on operations that are more efficient for it to perform rather than the host data source.
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