31. The SQL keyword BETWEEN is used:

A. for ranges.
B. to limit the columns displayed.
C. as a wildcard.
D. None of the above is correct.

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32. A subquery in an SQL SELECT statement:

A. can only be used with two tables.
B. can always be duplicated by a join.
C. has a distinct form that cannot be duplicated by a join.
D. cannot have its results sorted using ORDER BY.

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33. ________ was adopted as a national standard by ANSI in 1992.

A. Oracle
B. SQL
C. Microsoft Access
D. DBase

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34. SQL is:

A. a programming language.
B. an operating system.
C. a data sublanguage.
D. a DBMS.

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