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One important inheritance characteristic is that all entity subtypes inherit their _____ key attribute from their supertype.
Q2: The query used to list the P_CODE,P_DESCRIPT,P_INDATE,and
Q13: The relational operators have the property of
Q23: The _ constraint can be placed on
Q24: If the foreign key contains either matching
Q27: ANSI defines four events that signal the
Q51: The SQL query to output the contents
Q62: _ requires that all operations of a
Q65: A _ attribute is one that cannot
Q70: Converting a database format from 1NF to
Q99: In both the Chen and Crow's Foot