A process of joining related rows or columns of related data into a single entity so that groups can be collapsed or expanded.

If you assign different user names for each user of your computer, the operating system creates a special ________ for each user.

a. profile b. network c. disk drive d. email account

You use the _____________ object returned by the Statement method executeQuery to retrieve data from a database.

a) Connection b) Statement c) ResultSet d) None of the above.