Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
![]() |
![]() |
Home -> Community -> Usenet -> c.d.o.misc -> Re: SQL Query Performance
Oracle SQL High Performance Tuning by Guy Harrison
"Brad Lindsey" <brad_lindsey_at_agilent.com> wrote in message
news:1023465964.708165_at_cswreg.cos.agilent.com...
> I have a fairly general question ...
>
> Does anybody know of any good resources (books, etc.) that discuss how to
> tune the performance of SQL (not PL/SQL) queries? Things like the use of
> indexes, what should/should not be in the SELECT, etc. I've put together
> several UNION ALL queries and performance seems to be rather sluggish. I
> don't know if that's to be expected with UNION ALL or if there are
> tricks/techniques I could learn to make my queries more efficient.
Although
> I specifically mentioned UNION ALL, I'm looking for performance ideas for
> SQL queries in general.
>
> Any ideas would be appreciated.
>
> Thanks,
> Brad
>
>
Received on Mon Jun 10 2002 - 13:22:35 CDT
![]() |
![]() |