I was wondering how to access Credit Card info like Card Type/Card Number/Exp DT/CCV number from the Nop_Order Table.

I see all these columns are blank except MaskedCreditCardNumber in my table, and Also see "AllowStoringCreditCard" column with 0 populated. For my Quick Books Data Extraction i need all this info as we process refunds from QuickBooks.

Can some one help me out to store credit crad in the Nop_Order Table?

Thanks in advance.

Credit cards are not stored into database according to PA-DSS

There should never be an instance where you need to store the creditcard info.  Your payment process should provide an interface for any returns or refunds.  If not then you should find a new payment processor.  

PCI requirements require that you explicitely can demonstrate a need to store the information but once it is being stored any and all servers/laptops/mobile devices you might use to access it are then subject to the security requirements and you will be held accountable for any breaches to that security.  A breach can become extremely expensive to you if that occurs.