MySQL equivalent of DECODE function in Oracle

Question

I am trying to find an equivalent of DECODE function in MySQL. It works like this:

Select Name, DECODE(Age,
       13,\'Thirteen\',14,\'Fourteen\',15,\'Fifte         


        

Answer 1

you can use if() in place of decode() in mySql as follows This query will print all even id row.

mysql> select id, name from employee where id in
-> (select if(id%2=0,id,null) from employee);

Answer 2

Try this:

Select Name, ELT(Age-12,'Thirteen','Fourteen','Fifteen','Sixteen',
   'Seventeen','Eighteen','Nineteen','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult',
   'Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult','Adult') AS AgeBracket FROM Person