A ____ is an attribute or combination of attributes that uniquely identifies a tuple.

A. secondary key
B. primary key
C. foreign key
D. preferred key

Answer: B

Computer Science & Information Technology

You might also like to view...

When creating a Web query, tables in the Web page are indicated by:

A) the table highlighted in yellow. B) the table text displayed in yellow. C) a solid yellow border. D) a yellow selection icon with a right-pointing arrow.

Computer Science & Information Technology

Windows 8 allows you to set options to ____________________ your factory settings, which is also known as doing a new install of, the operating system.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology