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What did you already know of the material presented in the lesson?

To use a database, you need to have a library card. At school you can acess the database, because you are in school. But, when you are at home, you need a libaray card or a drivers liesence, because you need the nine digit number to access the database. otherwise, you will not be able to use the database, or what its known as the "invisible internet"