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One disadvantage of a database system over previous data management approaches is increased costs.
Q28: A _ schema is a type of
Q50: SQL is considered difficult to learn; its
Q52: The SQL cache stores the end-user written
Q53: A(n) _ is an orderly arrangement used
Q58: End-user data is _.<br>A) knowledge about the
Q63: The _ command defines a default value
Q64: The _ guarantees that if a portion
Q67: In a 1:M relationship, to avoid the
Q72: The _ contains business data extracted from
Q81: In a star schema, dimensions are normally