DBA_ZONEMAPS describes all the zone maps in the database. Its columns are the same as those in ALL_ZONEMAPS.
Note:
This view is available starting with Oracle Database 12c Release 1 (12.1.0.2), and is intended for use with Oracle Exadata release 12.1.2.1.1 or later.
See Also:
Oracle Database Data Warehousing Guide for more information about zone maps