Re: count(*) with NULLs involved
From: Ron Moeller <rmoeller_at_ladc.lockheed.com>
Date: 1996/11/01
Message-ID: <327A8DCC.2721_at_ladc.lockheed.com>#1/1
Date: 1996/11/01
Message-ID: <327A8DCC.2721_at_ladc.lockheed.com>#1/1
Two simple solutions work for me:
select count(*) from test_table
where column_X not in ('B','C')
or column_X is null;
select column_X, count(*)
from test_table
group by column_X;
Ron Received on Fri Nov 01 1996 - 00:00:00 CET