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I am creating an index on Emp table Empno column,if u using
this indexed column in ur SELECT stmt. where clause,then how
do u know that yr index will be working or nor?
Thanks Advance...

Question Posted / ajit

Answers were Sorted based on User's Feedback



I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt...

Answer / satish

Do the explain plan.if it is not using ur created index
then use hints to use ur created index

Is This Answer Correct ?    6 Yes 0 No

I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt...

Answer / suresh ramsing

You execute your query like
explain plan for select sal from emp where empno='1224';
after that check this below one.
select * from table(dbms_xplan.display);
here u can find it'll be excuted by using index or TABLE ACCESS FULL

Is This Answer Correct ?    4 Yes 0 No

I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt...

Answer / manoranjan sethy

by using SET AUTOTRACE ON EXPLAIN tool you can came to know weather such index is working or not.

Is This Answer Correct ?    1 Yes 0 No

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