2.4. Extents - Extent metadata
Specific extent related metadata is provided by functions in this group. More general information can be provided by functions listed in "Property metadata - collections", "Administration functions" and "Property metadata".
Functions
- complete - COMPLETE option
 - distinct - DISTINCT option
 - intersect - INTERSECTION option
 - subset - Get for definition subset
 - subsetCount - Get number of subsets
 - superset - Get super set definition
 - supersetCount - Get number of super sets
 

