Slow query perform on a complex query involving views

(Doc ID 1474873.1)

Last updated on FEBRUARY 27, 2016

Applies to:

Oracle TimesTen In-Memory Database - Version 11.2.1.8.1 and later
Information in this document applies to any platform.
***Checked for relevance on 22-01-2014***

Symptoms

A query has increasing response times over a 2 minute period with 50 concurrent users.

Changes

 This type of query can be slow in TimesTen:

select col1, col2 from table1, (select a.col3, a.col4 from view1 a union select b.col3, b.col4 from view1 b where a.col3=b.col3 ) c ;



Cause

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