If a constraint applies to more than one column,the constraint must be created at the ____ level.
A) column
B) table
C) row
D) database

Question

If a constraint applies to more than one column,the constraint must be created at the ____ level.​
A) ​column
B) ​table
C) ​row
D) ​database

Quizplus · Accepted Answer

If a constraint applies to more than one column, it is best to create the constraint at the table level rather than at the individual column level. This is because it ensures that the constraint is consistent across all columns and avoids redundancy. The constraint can also be enforced more efficiently at the table level. Constraints created at the row or database level would be inappropriate for this scenario.

If a Constraint Applies to More Than One Column,the Constraint