Make seven Contact Forms send to one database

I have seven Contact Form 7 forms built. Each one collects contact info, which brochure out of seven you are interested in, and then links to that brochure when you click send. Each of the seven forms link to a different brochure.

How can I make all seven forms send data to the same DB?

Or maybe the better alternative would be how could I have the SEND button link them to the brochure they select from a pull down window box on one form?

Thank you.