Multiple Choice
An index created to support a ____ constraint does not allow any null values in any of the indexed columns,because there is an automatic NOT NULL constraint added to a primary key column.
A) PRIMARY KEY
B) FOREIGN KEY
C) UNIQUE
D) CHECK
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
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Q50: A(n)_ key establishes a relationship between two
Q51: A _ view is a view that
Q52: A FOREIGN KEY constraint that is defined
Q53: Integrity constraints are always enforced,no matter what
Q55: You _ an index to consolidate fragmented
Q56: CHECK constraints cannot use pseudocolumns,such as _
Q57: The column or columns of a PRIMARY
Q58: An index does not have its own
Q59: Constraints that apply to multiple columns,such as