DBA_XML_TABLES

Description of all XML tables in the database

Columns
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   OWNER
      Name of the owner of the XML table
   TABLE_NAME
      Name of the XML table
   XMLSCHEMA
      Name of the XMLSchema that is used for the table definition
   SCHEMA_OWNER
      Name of the owner of the XMLSchema used for table definition
   ELEMENT_NAME
      Name XMLSChema element that is used for the table
   STORAGE_TYPE
      Type of storage option for the XMLtype data