Answer the following statements true (T) or false (F)

1. A class may implement only one interface.
2. The Select clause can be used to transform the values in a query result.
3. A query is a request to the database for the data that satisfies the specified criteria.
4. Database management systems enable you to access and store data without worrying about the external representation of databases.
5. A relational database model is a way of organizing data and considering relationships based on the physical structure of the data.


1. False. A class may implement any number of interfaces.
2. True.
3. True
4. False. Should be “internal”—not “external.”
5. False, a relational database model does not take into account the physical structure of the data.

Computer Science & Information Technology

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Computer Science & Information Technology