From: Yon Den Baguse Ngarso <yon@dugem.com>
To: pgsql-sql@postgresql.org
Subject: SELECT ... WHERE ... NOT IN (SELECT ...);
Date: Thu, 22 Aug 2002 20:39:52 -0700 (PDT)
Message-ID: <20020823033952.64A443955@sitemail.everyone.net> (raw)
opennms=# SELECT eventid FROM tbl1;
eventid
---------
119064
119064
60116
16082
16082
16303
16082
92628
92628
60083
(10 rows)
opennms=# SELECT eventid FROM tbl2;
eventid
---------
123989
123989
123989
16134
16134
16368
16134
92685
92685
60115
(10 rows)
opennms=# SELECT eventid FROM tbl1 WHERE eventid NOT IN (SELECT eventid FROM tbl2);
eventid
---------
(0 rows)
I'm confused, the result should not 0 rows, right?
Pls Help. Am I missing something?
TIA.
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Subject: Re: SELECT ... WHERE ... NOT IN (SELECT ...);
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