0 - 2 of 2 tags for Convert free text date

I have a VARCHAR column (CALL_START_DATE_TIME) and it's values are as shown below.

 

2014-OCT-31 15:52:35

2014-JUN-25 13:53:30

2013-DEC-26 19:56:40

2014-AUG-08 22:43:51

2015-APR-22 03:57:04

 

I need to apply date wise filter on this column as below:

 

Hi,
I'd like to convert a free text date to 'mmddyyyy' format.
The free text date are in different format: 10/12/11, 8/25/2010, 1/3/13.
 
Thank you,