21. The format SELECT-FROM-WHERE is the fundamental framework of SQL SELECT statements.

A. True
B. False

22. Indexes may be created or dropped at any time.

A. True
B. False

23. The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

A. True
B. False

24. ORDER BY can be combined with the SELECT statements.

A. True
B. False

25. Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.

A. True
B. False