Dimension value queries allow you to filter records by dimension
values. The dimension value used for filtering can be any dimension value in a
flat dimension or in a dimension hierarchy.
Rules for the naming format of the dimension
value are as follows:
- For a root dimension value
(which has the same name as the dimension), the name must be in the NCName
format.
- For a non-root dimension
value (such as a leaf), the name does not have to be in the NCName format.
There are two syntaxes for using dimension values to filter records,
depending on whether you are specifying a dimension value path or an explicit
dimension value node.