Examlex
Because a partial dependency can exist only when a table's primary key is composed of several attributes, a table whose _____ key consists of only a single attribute is automatically in 2NF once it is in 1NF.
Q13: In order to meet performance requirements, portions
Q21: A(n) _ represents a particular type of
Q25: Database design is a(n) _ process based
Q50: ROLAP and MOLAP vendors are working toward
Q52: The response of the DBMS to a
Q52: The _ data model is said to
Q52: The COUNT function is designed to tally
Q53: The entity relationship model uses the associative
Q59: The result of the _phase of the
Q67: In a 1:M relationship, to avoid the