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parent
A dimension member immediately above a particular member in a hierarchy. In a dimension hierarchy, the data value of the parent is the aggregated total of the data values of its children.
In a calculation, the parent option includes dimension members at the same level with the same parent. For example, in a Time dimension, all quarters in 2011 are included in one calculation, all months in Q1-2011 are included in another calculation, all months in Q2-2011 in another calculation, and so forth.
See also child.