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T-SQL compounded Case statement

Posted on 2008-10-15
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Last Modified: 2012-05-05
Hi,

With the case staement, I can substitute the value coming from the field like this

Case Field1 when 'Hello' then 'Happy'

I want to decide on the output of Field1 based not just what its value is but also based on a second field.

How can I do this?

Thanks.
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Question by:sublimation
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7 Comments
 
LVL 37

Expert Comment

by:momi_sabag
ID: 22719033
case when field1 = 1 and field2 = 2 then 3
         when field1=2 and field2 = 3 then 4
         else 5 end
0
 
LVL 4

Author Comment

by:sublimation
ID: 22719113
Hi, Momi,

That doesn't work.

(Incorrect syntax near the keyword 'and'.)
0
 
LVL 1

Expert Comment

by:Kumawat_Shobha
ID: 22719121
case when field1 = 'hello' and field2 = 'hi'
         then 'happy'
         when field1 != 'hello' and field2 = 'bye'
         then 'sad'
end
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LVL 4

Author Comment

by:sublimation
ID: 22719170
Hi,  I want to do this:
 Select case FIELD1
   when ('System' and FIELD2 = 'yes') then 'good system'  -- write value to FIELD1 not FIELD2
   when ('System' and FIELD2 = 'No') then 'Bad System'   -- write value to FIELD1 not FIELD2
else FIELD1 end,
0
 
LVL 37

Accepted Solution

by:
momi_sabag earned 250 total points
ID: 22719187
Select case   when (FIELD1='System' and FIELD2 = 'yes') then 'good system'  -- write value to FIELD1 not FIELD2
   when (FIELD1='System' and FIELD2 = 'No') then 'Bad System'   -- write value to FIELD1 not FIELD2
else FIELD1 end
0
 
LVL 1

Expert Comment

by:Kumawat_Shobha
ID: 22719286
momi's code will work definitely
0
 
LVL 4

Author Closing Comment

by:sublimation
ID: 31506230
Thanks.
0

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