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Help on SQL statement.

 
Post new topic   This topic is locked: you cannot edit posts or make replies.    IBMMAINFRAMES.com Support Forums -> DB2
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dejunzhu

Active User


Joined: 08 May 2008
Posts: 390
Location: China

PostPosted: Thu Mar 28, 2013 12:32 pm    Post subject: Help on SQL statement.
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I have table TA, which is like this:
Code:

ATTR   VALUE
-------  -------
0001   COLA
0001   COLB



I have another table TB, which is like this:
Code:

COLA   COLB
-------  -------
AAAA   BBBB


that is, the column name of TB is the value of a column of TA.

I want to get below result, how to compose the sql statement?
Code:

0001AAAABBBB
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dick scherrer

Moderator Emeritus


Joined: 23 Nov 2006
Posts: 19254
Location: Inside the Matrix

PostPosted: Thu Mar 28, 2013 6:51 pm    Post subject:
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Hello,

As usual you have not provided much to work with . . .

How many rows are in TA? TB? How many should be selected and why?

How did this particular "requirement" arise? Explain in terms of actual data and no, it is not proprietary to use fake data rather than real data.
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dejunzhu

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Joined: 08 May 2008
Posts: 390
Location: China

PostPosted: Fri Mar 29, 2013 6:05 pm    Post subject:
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I don't have specific bussiness requirement.
I just want to konw if it's feasible for DB2.
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