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Message Posted: Tue, 26 Jul 2011 @ 09:52:28 GMT


     
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Subj:   Update and commit
 
From:   Anomy Anom

<-- Anonymously Posted: Tuesday, July 26, 2011 -3:58 -->

Dear all,

I work with teradata 13

I have a table with no duplicate row, when I am trying to update

     update tableex
     set SEQUENCE= SEQUENCE*10;

     an error occurred: 2802 duplicate row.

What I tried to do is writing a cursor to update the table row by row into a procedure, same error occurred. (but the update works for only 11 rows from 150 rows)

So I checked the table tableex I found it updated for the first 11 rows and the rest is not updated !!

How the commit works with teradata 13 ??

How could I rolleback or not commit when an update doesn t work correctly, because it is a big risk for me.


Thanks for your help.



     
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