What is the Query Optimizer. How you optimize your qeury.
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Answer Posted / bipin yadav
Query Optimizer is means how to imrprove the perfomance of
the query,to this we have to extract the explain plan of
that quey usin the set option on the SQL PLUS,using the
commond "SET AUTOTRACE TRACE EXP" we can see the query
cost....:-)
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