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Home -> Community -> Usenet -> c.d.o.misc -> Re: Forcing not to use an index in 7.1.6?
amit srivastava wrote:
>
> Is it possible to force Oracle to not to use an index,
> because using a particular index will actually slow down the
> performance for a query?
>
> -amit
The best way to force and index not to be used, is to add a function to the column in the where column. Such as:
Select *
from Table
where index_col = 'A';
could become:
Select *
from Table
where Nvl(index_col,'') = 'A';
Hope this helps.
Bob Morrison Received on Wed Apr 02 1997 - 00:00:00 CST
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