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Home -> Community -> Usenet -> c.d.o.server -> Re: select count(*) optimization
Tell it explicitly to use the index, using a hint:
SELECT /*+ INDEX_ASC(blah PK_BLAH) */
COUNT(*)
FROM blah;
> > >Anyone know how to fool the optimizer into using a
> > >primary key access path to count all rows in a table?
> > >e.g.
> > > select count(*) from blah;
> > >
> > >In my case the rows are very long, the prim key is very short,
> > >and the full table scan brings the machine to its knobby knees.
-- Joe Rogers Intelligent Information Systems, Inc. joer_at_renewal-iis.comReceived on Tue Mar 11 1997 - 00:00:00 CST
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