Domain integrity means that a primary key cannot take on the NULL value.
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Q121: Key integrity for a database means that
Q122: In a database, primary key fields may
Q123: The primary key for a record must
Q124: The primary key for a record can
Q125: Domain integrity means that appropriate controls must
Q127: Key integrity means that the primary key
Q128: Referential integrity is the assurance that a
Q129: Referential integrity means that every table should
Q130: A domain integrity error exists when a
Q131: A referential integrity error exists when a
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