Well, firstly, what do you have?
Not the cards.... the database!
I'm assuming you have mysql, due to the forum.....
So, are you going to make it text based, typing everything... or going to get a program to make the process a little easier, something like navcator that, (works like MS Access!)?
As for the DB itself, I assume you know what details you wish to enter...name, number, description, details etc....unique id.....then all you do is make things indexed....particularly the unique id, name and number.