DeepSee MDX Reference
Hierarchy Expressions
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This section describes how to create and use hierarchy expressions in DeepSee MDX.
In DeepSee MDX, a hierarchy expression has one of the following forms:
A bare hierarchy expression returns all records; this expression is equivalent to an All member. (Note that you can use a bare hierarchy expression even if the dimension does not formally define an All level.) For example:
SELECT MEASURES.[%count] ON 0, colord.h1 ON 1 FROM patients
                             Patient Count
Also, you can use a hierarchy expression as an argument to any of the following functions: