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Query which would give me maximum position for a employee

 
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Debahutyborah

New User


Joined: 08 Aug 2006
Posts: 2
Location: Bangalore

PostPosted: Mon Aug 28, 2006 1:49 pm    Post subject: Query which would give me maximum position for a employee
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Hi,
I want a query which would give me maximum position for a employee
If my table is (Emp number and Position are together the primary key)

EMP Num POSITION

1 A
1 B
1 C
2 D
2 E
3 E

The result should be

1 C
2 E
3 E

Please help.
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guptae

Moderator


Joined: 14 Oct 2005
Posts: 1187
Location: Bangalore,India

PostPosted: Mon Aug 28, 2006 2:03 pm    Post subject:
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SELECT EMP_NUM, MAX(POSITION)
FROM TABLE
GROUP BY EMP_NUM;

Hope this will helpful
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Marso

REXX Moderator


Joined: 13 Mar 2006
Posts: 1226
Location: Israel

PostPosted: Mon Aug 28, 2006 8:25 pm    Post subject:
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You may want to select also another field from the table, for example:
Code:
SELECT EMP_NUM, MAX(POSITION), EMP_NAME
FROM TABLE
GROUP BY EMP_NUM;

This will not work. You will have to use:
Code:
SELECT EMP_NUM, POSITION, EMP_NAME
FROM TABLE T1
WHERE POSITION = (SELECT MAX(POSITION)
    FROM TABLE T2 WHERE T1.EMP_NUM = T2.EMP_NUM)
ORDER BY EMP_NUM;

(The ORDER BY is not mandatory).
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Debahutyborah

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Joined: 08 Aug 2006
Posts: 2
Location: Bangalore

PostPosted: Tue Aug 29, 2006 12:23 pm    Post subject:
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Thanks Marso icon_biggrin.gif .
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