If a(n)FOREIGN KEY constraint has been created for a table,it means the data values in that column must be unique and cannot contain NULL values._________________________
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Q26: If a data value violates a(n)constraint,the entire
Q27: A(n)FOREIGN KEY constraint is used to ensure
Q28: In the USER_CONSTRAINTS view,the constraint type for
Q29: The ALTER TABLE command can be used
Q30: A constraint can be renamed using the
Q32: Each column can only be included in
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