Re: Why does NOT IT take so long

From: Karl Penney <aa651_at_ccn.cs.dal.ca>
Date: 1995/07/25
Message-ID: <DC90F3.KJA_at_cs.dal.ca>#1/1


Tom Conder (tconder_at_csc.com) wrote:
: When writing Oracle SQL, why does the NOT IN statement take so long?

I don't think that any NOT expressions in the where clause allow the use of an index. This may be why is takes longer than you think it should.

--
Karl Penney                           |~~~~~~|     _/^\_     |~~~~~~|
DMR Group, Halifax, NS                |      | _/\_\   /_/\_ |      |
aa651_at_cfn.cs.dal.ca                   |      | >___________< |      |
74203.673_at_compuserve.com              |______|       |       |______|
Received on Tue Jul 25 1995 - 00:00:00 CEST

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