A ROLLUP element specifies a rollup key for record aggregation.
A rollup key may be either a dimension name or property name.
<!ELEMENT ROLLUP EMPTY> <!ATTLIST ROLLUP NAME CDATA #REQUIRED >
The following section describes the ROLLUP element's attribute.
NAME
Specifies a dimension name or property name that is used as a rollup key.
The ROLLUP element has no sub-elements.
This example shows two rollup keys.
<ROLLUPS> <ROLLUP NAME="Manufacturer"/> <ROLLUP NAME="Companies"/> </ROLLUPS>