A relational database management system protects data integrity at only four procedural levels.
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Q65: The primary key is an attribute or
Q66: In a relational database, rows have to
Q67: The foreign key is an attribute in
Q68: A table must have one and only
Q69: The table whose foreign key relies on
Q71: Relational database management systems automatically guard against
Q72: Triggers, stored procedures, and transaction processing assure
Q73: Data definition retrieves data from the database.
Q74: A view is a virtual table that
Q75: Stored procedures provide an effective mechanism for
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