get the date with 0

select case when LEFT(RIGHT('20060903',2),1) = 0
then
 CONCAT(0, COALESCE(CONCAT(RIGHT(20060903,2),LEFT(RIGHT(20060903,4),2), LEFT(20060903,4)),'' ))
 Else
	0
	---COALESCE(CONCAT(RIGHT(20060903,2),LEFT(RIGHT(20060903,4),2), LEFT(20060903,4)),'' )
	 	end Full_Date





 result
-------------------
3092006

expected result
-------------------
03092006

ShanmugaRaj