conditional statements in SQL server 2008

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i have a table in SQL server with following fields
book_code ....... book title...... stock
123 ...................learn C#.........2
222....................learn JAVA......0

i want to show following result
if stock =0 show AVAILABLE="YES" else "NO"

book_code ....... book title...... stock..available?
123 ...................learn C#.........2......YES
222....................learn JAVA......0 .....NO

i have learnt that i can use if statements in SQL but even after trying a lot i cant get it done.
any help or information will be appreciated
thanks in advance to those who are willing to help :)

Posted 14-Jul-11 18:38pm

greatreddevil

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3 solutions

Solution 3

Using Case you can solve your problem

SELECT Stock, 
    CASE WHEN 
      Stock='0' Then 'YES' 
      ELSE 'NO' 
    END AS AVAILABLE
FROM Table1

- Hope this can help you.

Posted 14-Jul-11 19:18pm

Prasanta_Prince

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Shameel · Accepted Answer · 2011-07-14T18:47:00

Solution 1

Use the CASE statement

SQL

SELECT BookCode, BookTitle, Stock, 
    CASE Stock 
         WHEN 0 THEN 'NO' 
         ELSE 'YES' 
    END AS Available
FROM Books

Posted 14-Jul-11 18:47pm

Shameel

Comments

greatreddevil 15-Jul-11 1:14am

thanks shameel. :)

[no name] 15-Jul-11 3:04am

you're welcome.

walterhevedeich · Accepted Answer · 2011-07-14T18:51:00

One common keyword that you can use is the CASE[^]. An example on how to use it can be seen on the link. You can also check my sample SQL script below.

SQL

SELECT book_code, 
       [book title], 
       stock,
       CASE 
          WHEN stock = 0 THEN 'YES'
          ELSE 'NO'
       END AS 'AVAILABLE'
FROM   [YOURTABLE]