Wednesday, May 30, 2012

Logical SQL in OBIEE


Logical SQL is the SQL that can understand by OBI Server.When a user requests data, then the presentation services server prepares a Logica SQL and send it to OBI Server to retrieve dataset.The Oracle BI Server transforms the Logical SQL into physical SQL through a process known as query processing that can be understood by source databases.


In Presentation Service, when you create an answer or a dashboard prompt, you create in fact a logical SQL that you can see in the Advanced Tab of the answer



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