The main objective of creating a(n) ____ field in a table is to prevent users from entering duplicate records into the table.

A. primary key
B. lookup
C. input mask
D. validation

Answer: A

Computer Science & Information Technology

You might also like to view...

Special effects for sounds are found on the _____ panel.

A. Effects B. Sound C. Audio D. Properties

Computer Science & Information Technology

A strictly black-and-white image has greater storage requirements than an image represented using a gray scale.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology