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The SQL aggregate function that gives the total of all values for a selected attribute in a given column is? .
Q13: A _ should be a derived attribute.<br>A)
Q23: A field-level lock allows concurrent transactions to
Q28: The existence of a mandatory relationship indicates
Q36: In the relational model,_ are important because
Q57: Surrogate primary keys are especially helpful when
Q59: Fact and dimension tables are related by
Q63: In Oracle,the _ command is used to
Q72: In the context of a database table,the
Q73: A table where every determinant is a
Q74: _ is a process to help reduce