How do I use T-SQL's Case/When?

Question

I have a huge query which uses case/when often. Now I have this SQL here, which does not work.

 (select case when xyz.something = 1
 then
     \'SOM         


        

Answer 1

SELECT
   CASE 
   WHEN xyz.something = 1 THEN 'SOMETEXT'
   WHEN xyz.somethingelse = 1 THEN 'SOMEOTHERTEXT'
   WHEN xyz.somethingelseagain = 2 THEN 'SOMEOTHERTEXTGOESHERE'
   ELSE 'SOMETHING UNKNOWN'
   END AS ColumnName;