Introduction to Sets and Tuples

A set is an ordered collection of one or more tuples that have the same dimensionality (see Rules for Specifying Sets for an explanation of dimensionality).

A tuple is a way to refer to a member or a member combination from any number of dimensions. For example, in the Sample.Basic database, Jan is a tuple, as is (Jan, Sales), as is ([Jan],[Sales],[Cola],[Utah],[Actual]).

The member name can be specified in these ways: