Using a product that uses a database is not using a database. If it were, then the winner would probably be Oracle since you are "using that database" every ti

Using a product that uses a database is not using a database. If it were, then the winner would probably be Oracle since you are "using that database" every time you, e.g., make a purchase with your credit card. Probably multiple times since your purchase will end up in the databases of the credit card company, the bank, the merchant...