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The _____ specification creates an individualindex ona respective attribute; use it to avoid having duplicated values in a column.
Q20: In object-oriented terms, a(n) _ defines an
Q21: The entity relationship diagram (ERD) represents the
Q24: A(n) _ enables a database administrator to
Q25: A specialty field in mathematics, known as
Q29: BEFORE means before the changes are made
Q46: If the NOT NULL and UNIQUE specifications
Q48: When you create a new database, the
Q52: The scheduler's main job is to create
Q67: The _ cache is used as a
Q70: Maximizing disk contention is one of the