Data control language used in a relational database is most likely to include commands used to control
A. The original defining of a database.
B. The creation and alteration of tables within a database.
C. Which users have various privileges relating to a database.
D. The maintenance and querying of a database.
Answer:C
C is corrent because data control language is composed of commands used to control a database, including controlling which users have various privileges (e.g., who is able to read from and write to various portions of the database).
A is incorrect because data definition language is more directly associated with original defining of a database.
A is incorrect because data definition language is more directly associated with original defining of a database.
D is incorrect because data manipulation language related most directly to the maintenance and querying of a database.