Tricky SQL Problem: Top "n" of queried records
From: <rtgraf_at_sintec.de>
Date: 1998/03/17
Message-ID: <6elf5h$l0c$1_at_nnrp1.dejanews.com>#1/1
Date: 1998/03/17
Message-ID: <6elf5h$l0c$1_at_nnrp1.dejanews.com>#1/1
How can I restrict the result of a SQL query to, say, the top 10 regarding
some defined order criteria, e.g.
SELECT deptno, sum(salary) FROM emp
GROUP BY deptno
<ONLY the top 3 w/regards to sum(salary)>;
I do *not* want the client application to fetch only the first three records,
I want the Server to retrieve exactly these rows.
I have a rather quirky solution using a multiply nested subquery (one nesting
The problem is in fact a general one and I seem to have read a solution somewhere but forgot the source ;-(
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