ravisamigo (10/9/2012)
Hi All,If query is not using execution plans, how we can find it and what is the action required from DBA side?
How we can reduce the query cost for select queries with subqueries[ Ex : select * from table1 where empid in ( select * from table2) ]?
Please help me out on this.
Thanks and Regards,
Ravichandra.
Even the simplest query has an execution plan.
Action required for what?
There are no tuning techniques which are specific to subqueries.
For better assistance in answering your questions, please read this[/url].
Hidden RBAR: Triangular Joins[/url] / The "Numbers" or "Tally" Table: What it is and how it replaces a loop[/url] Jeff Moden[/url]