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Added an IF clause to a select query

Posted on 2011-03-08
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Last Modified: 2012-05-11
I'm using a select and insert statement to insert data and need to use an IF statment to do the following:

Select the field if it is >0 otherwise return and insert a null value, first attempt which broke the script is below!!!:

SELECT IF de.gr_Percent >0 ELSE return NULL
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Question by:mbs2000
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4 Comments
 
LVL 25

Expert Comment

by:Lee Savidge
ID: 35069427
IF de.gr_Percent >0
begin
    select statement here
end
ELSE
begin
    return NULL
end
0
 
LVL 10

Expert Comment

by:Humpdy
ID: 35069436
you're looking for a CASE statement

http://www.tizag.com/sqlTutorial/sqlcase.php
0
 
LVL 32

Expert Comment

by:Ephraim Wangoya
ID: 35069442
use case

SELECT case
                when de.gr_Percent > 0
                    YourField
                 ELSE
                      NULL
              end
0
 
LVL 3

Accepted Solution

by:
CarlsbergFTW earned 500 total points
ID: 35069449
you might want to try this query:

SELECT CASE de.gr_Percent WHEN > 0 THEN de.gr_Percent ELSE null END
FROM YOUR_TABLE_HERE
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