_____ are rules that help ensure the quality of the information in a database file.
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Q99: _ is the manipulation of information to
Q100: Unlike SQL,QBE allows you to query by
Q101: A(n)_ contains the logical structure for the
Q102: _ and _ both extract data meeting
Q103: A(n)_ displays key information gathered from several
Q105: The _ subsystem of a DBMS helps
Q106: A(n)_ is a field that uniquely describes
Q107: A(n)_ represents how data is physically arranged,stored,and
Q108: A(n)_ is a primary key from one
Q109: _ ensure the validity of database updates
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