Re: 2 million row database from hell! help a newbie in over his head.
From: David Cressey <david_at_dcressey.com>
Date: Wed, 22 Aug 2001 20:41:30 GMT
Message-ID: <_NUg7.298$Iw2.19331_at_petpeeve.ziplink.net>
Date: Wed, 22 Aug 2001 20:41:30 GMT
Message-ID: <_NUg7.298$Iw2.19331_at_petpeeve.ziplink.net>
Mikito,
> more relational) solution would be using index. I'm not sure if built-in
 indexes
> for "group by" are readily available yet off the shelf, but with extending
> indexing feature you can certainly program one.
You've lost me, here.  I guess I've never worked on an RDBMS where an
appropriate index would NOT
be used by the optimizer to implement "group by".  As far as I can tell,
Oracle uses an index on the group by column with both RBO and CBO.
--
Regards,
    David Cressey
    www.dcressey.com
Received on Wed Aug 22 2001 - 22:41:30 CEST
