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set null to a field

 
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bullfighter
Beginner


Joined: 15 Apr 2005
Posts: 26
Topics: 9
PostPosted: Tue Apr 19, 2005 5:04 pm    Post subject: set null to a field Reply with quote
hi,
I have a question on setting a Null to some of the fields in DB2. I have the below in my Easytrieve Program

SQL UPDATE AB.TABLE1
SET FIELD1 = :WS-VAR1
, FIELD2 = :WS-VAR2
, FIELD3 = :WS-VAR3
WHERE
< SOME CONDITIONS >

My question is, based on some conditions I need to set FIELD1 or FIELD2 as NULLs, how can I set NULLs to these FIELDS in my program

Thanks in advance
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kolusu
Site Admin
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Joined: 26 Nov 2002
Posts: 12394
Topics: 75
Location: San Jose
PostPosted: Tue Apr 19, 2005 6:30 pm    Post subject: Reply with quote
Bullfighter,

It is very easy to update a column to null. Try this

Code:

SQL UPDATE AB.TABLE1              +
       SET FIELD1 = NULL          +
          ,FIELD2 = NULL          +
          ,FIELD3 = :WS-VAR3      +
     WHERE < SOME CONDITIONS >


Hope this helps...

Cheers

Kolusu
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