Removing data that is no longer wanted or needed is a task for the__________ _ function.
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Q36: In a DBMS, when a user is
Q37: The_ shows the number of entities that
Q38: _software assists in creating, maintaining, and manipulating
Q39: _is the process of converting poorly structured
Q40: A(n) _ data model captures the entities
Q42: _level DBMS like DB2 are designed for
Q43: If the same data element is stored
Q44: _describes the structure of the database.
Q45: It is very difficult and expensive to
Q46: Database practitioners classify tables into various _
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