Article View: net.database
Article #132Re: outer joins
From: David St. Pierre
Date: Sun, 25 Aug 1985 18:47
Date: Sun, 25 Aug 1985 18:47
22 lines
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1163 bytes
I'll borrow the example from the ORACLE manual:
"List all departments that have employees, plus those departments
that do not have employees"
SELECT dept.deptno, dname, job, ename
from dept, emp
where dept.deptno = emp.deptno(+)
order by dept.deptno;
Also:
"List all departments that do not have any employees"
SELECT distinct dept.deptno, dname, koc
from dept, emp
where dept.deptno = emp.deptno(+)
and empno is null;
--
David St. Pierre {ihnp4,dual,qantel}!ptsfa!dsp
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site ptsfa.UUCP Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!vax135!cornell!uw-beaver!tektronix!hplabs!well!ptsfa!dsp From: dsp@ptsfa.UUCP (David St. Pierre) Newsgroups: net.database Subject: Re: outer joins Message-ID: <824@ptsfa.UUCP> Date: Sun, 25-Aug-85 14:47:35 EDT Article-I.D.: ptsfa.824 Posted: Sun Aug 25 14:47:35 1985 Date-Received: Wed, 28-Aug-85 21:11:35 EDT References: <450@im4u.UUCP> Reply-To: dsp@ptsfa.UUCP (David St. Pierre-150) Distribution: net Organization: Pacific Bell, San Francisco Lines: 22