Re: Severe performance problem with SQL

Hi,

    What happens if you change it to:

>... AND
> (table1.STOPTIME is null OR (table1.STOPTIME+60) >
sysdate)... ?

regards
Jerry Gitomer

raorg_at_my-deja.com wrote in message
<7od12s$nt$1_at_nnrp1.deja.com>...
>Hi,
>I have a view based on an SQL which is selecting stuff from a
five
>tables. A part of the where clause is that the stoptime must be
within
>the last two months or null.
>
>The where clause includes the following statement:
>... AND
> (table1.STOPTIME is null OR table1.STOPTIME < sysdate)...
>
>This takes about 20 secs to run.
>
>If I change the above to:
>... AND
> (table1.STOPTIME is null OR table1.STOPTIME > sysdate-60)...
>
>the statement takes 880 seconds to run.
>
>Can anyone help me find something equivalent to the above
without the
>severe performance problem. Or modify the above...
>
>Help will be much appreciated.
>Thanks,
>Rajesh.
>
>
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Received on Fri Aug 06 1999 - 08:10:59 CDT