Pages

Tuesday, 21 May 2013

MySQL / Oracle Cheat Sheet

I use Oracle a lot and MySQL a little so constantly have to look up how to do a few simple things in MySQL.

Description MySQL Oracle
Default value when nullIFNULLNVL
To Date (using a sane date format)STR_TO_DATE('2013-01-01',
            '%Y-%m-%d')
TO_DATE('2013-01-01',
        'YYYY-MM-DD')
If statement in selectIF(condition, 
  true_value,
  false_value)
CASE WHEN condition
THEN true_value
ELSE false_value END
Add a dayDATE_ADD(sysdate(), 
         INTERVAL 1 DAY)
sysdate + 1
Check somethingselect 'this'select 'this' from dual

No comments:

Post a Comment