[theREgulAtor]

First time here ...

Do you guys know any well know industry standard encrypted/decrypted software?

Also, what kind of database file should be used a million of records are decrypted to use the data.

Thanks.

[rahulnaskar]

There are many flavours of encryption. I suggest you go through this small peice of introduction, before you dig larger tunnels.
http://www.cypherpunks.to/~peter/T1_Algos_Mechs.pdf

[theREgulAtor]

can't open up the link. Thanks.