This is the solution :
SELECT DATE_FORMAT('20121226', '%d/%m/%Y');
=>
DATE_FORMAT('20121226', '%d/%m/%Y')
26/12/2012
OR
SELECT DATE_FORMAT('20121226', '%W %M %Y');
=>
DATE_FORMAT('20121226', '%W %M %Y')
Wednesday December 2012
Check this for more formatting:
http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-format