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Q21: UML-style E-R diagrams introduce object-oriented notation that
Q29: User interviews are conducted during the _
Q34: Topical anesthesia requires a long recovery time.
Q34: The SQL keyword DELETE is used to
Q35: A compound object is a semantic object
Q36: The elimination of modification anomalies and the
Q75: What are the three types of database
Q77: To represent an M:N relationship in a
Q86: In database systems,the DBMS enforces rules which
Q99: A classic example of unneeded normalization is