Data Encryption

Question

A database that stores a lot of credit card information is an inevitable part of the system we have just completed. What I want though is ultimate security of the card numbers w

Answer 1

If you're using Oracle you might be interested in Transparent Data Encryption. Only available with an Enterprise license though.

Oracle also has utilities for encryption - decryption, for example the DBMS_OBFUSCATION_TOOLKIT.

As for "Standards", the proper standard you are interested in is the PCI DSS standard which describes which measures need to be taken to protect sensitive credit card information.