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Concatenate multi rows from one table in DB2

 
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kregen

New User


Joined: 16 Mar 2006
Posts: 18

PostPosted: Fri Apr 20, 2007 4:46 pm    Post subject: Concatenate multi rows from one table in DB2
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Hello,
i'm searching for a way to concat multi rows from 1 table.

Table
--------
1 a
1 b
1 c
1 d
2 a
3 a
3 b
4 x
5 z
6 1
6 2

i need a result like:

1, a, b, c, d
2, a
3, a, b
4 x
5 z
6 1, 2

is there a way in DB2 V7.2 OS/390 to get the resultset?

cu
kai
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dick scherrer

Site Director


Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Fri Apr 20, 2007 7:31 pm    Post subject:
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Hello,

It would be rather easy if you use a cursor. . . .

With a cursor and an ordered by, you could get your result in one pass of the data.

Someone may post a complex query, but it may well be far more expensive to run.
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