Point out the correct statement :
A. CHECK constraints enforce domain integrity
B. UNIQUE constraints enforce the uniqueness of the values in a set of columns
C. In a UNIQUE constraint, no two rows in the table can have the same value for the columns
D. All of the mentioned
Answer:A
Point out the correct statement :
A. CHECK constraints enforce domain integrity B. UNIQUE constraints enforce the uniqueness of the values in a set of columns C. In a UNIQUE constraint, no two rows in the table can have the same value for the columns D. All of the mentioned
Explanation:Constraints let you define the way the Database Engine automatically enforces the integrity of a database.