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update half the field of a table
IBM Mainframe Forums -> DB2
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t5590ag

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Joined: 21 May 2009
Posts: 139
Location: United States
PostPosted: Tue Jun 15, 2010 8:13 pm
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hi ,

how can i update just first character of a 4 character field in db2 table.
Code:
UPDATE P.P18MISC   
SET  first character of C_TYP (field name) = 'A'   
WHERE               
N_TBL = 'SPD'       
AND C_TYP LIKE 'W%';


so that W123 becomes A123
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dbzTHEdinosauer

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Joined: 20 Oct 2006
Posts: 6966
Location: porcelain throne
PostPosted: Tue Jun 15, 2010 8:17 pm
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A Gupta,
with more than 100 posts, that means you have the experience to search.

set col = 'A' || substr(col,2,3)
or
set col = :ws-var || substr(col,2,3)
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