The ____ constraint helps validate the value within a column or a set of columns within one row.
A) NOT NULL
B) CHECK
C) PRIMARY KEY
D) FOREIGN KEY

Question

Quizplus · Accepted Answer

The CHECK constraint helps validate the value within a column or a set of columns within one row. The NOT NULL constraint ensures that a column cannot have a NULL value, the PRIMARY KEY constraint uniquely identifies each row in a table and the FOREIGN KEY constraint maintains referential integrity between two related tables.

The ____ Constraint Helps Validate the Value Within a Column