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This could be simplified a little - just use the case part for the first 3 characters and concat it to the remainder. update rob/casetest set testfld = case when substr(testfld,1,3)='300' then '400' when substr(testfld,1,3)='310' then '410' ... ... else substr(testfld,1,3) end || substr(testfld,4,14) At 08:46 AM 4/18/02 -0500, you wrote: >This is a multipart message in MIME format. >-- >[ Picked text/plain from multipart/alternative ] >One update: > >update rob/casetest >set testfld= >case >when substr(testfld,1,3)='300' > then ('400' || substr(testfld,4,7)) >when substr(testfld,1,3)='310' > then ('410' || substr(testfld,4,7)) >else > testfld >end
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