Re: SQL functions and indexes

Once you use a function in the where clause even if there is an index on that function it cannot be used. In 8i there are function based indexes that can help you with that problem.

Allan
----- Original Message -----
From: "O'Neill, Sean" <Sean.ONeill_at_organon.ie> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Tuesday, November 28, 2000 3:46 AM Subject: SQL functions and indexes

> Last night doing some study for OCP exam I came across a note I had
written
> in course material for PL/SQL, "SQL functions ignore table indexes and
> therefore can impact on performance.". So now I'm wondering if this is
> correct or did I take a confused message. Anyone know?
>
> Sean :)
>
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Received on Tue Nov 28 2000 - 23:37:41 CST