Which two statements are true regarding constraints? (Choose two)
Question:
Which two statements are true regarding constraints?
Options:
A constraint is enforced only for an INSERT operation on a table.
A foreign key cannot contain NULL values.
The column with a UNIQUE constraint can store NULLS.
You can have more than one column in a table as part of a primary key.
Correct Answer
The Correct Answer for this Question is
The column with a UNIQUE constraint can store NULLS.
You can have more than one column in a table as part of a primary key.