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Re: ** SQL QUERY TUNING

From: Dave Adkins <dave_adkins_at_fuse.net>
Date: Tue, 21 Apr 1998 21:39:25 -0400
Message-ID: <6hjhdg$lch$1@defiant.fuse.net> 





If you really want all rows that are also null, I don't think you can avoid
a scan.  But if you want only the FIRSTROWS, you could at least get the
response quicker by using the FIRSTROWS hint.  If possible, limit the number
of rows returned (rownum < 2).



Jürgen Kling wrote ...


>Who can help me to optimize the following SQL-Statement


>select * from table


>where tab_column = 1


> or   tab_column is null





Received on Tue Apr 21 1998 - 20:39:25 CDT












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