 VIEWTABLES
VIEWTABLES 
The system table DOMAIN.VIEWTABLES contains the names of the underlying tables for all view tables for which the current user has privileges.
| SCHEMANAME | CHAR(32) | Name of the schema of the view table | 
| OWNER | CHAR(32) | Name of the owner of the view table | 
| VIEWNAME | CHAR(32) | Name of the view table | 
| TABLESCHEMANAME | CHAR(32) | Name of the schema of the table | 
| TABLENAME | CHAR(32) | Name of the table | 
SQL Reference Manual, CREATE VIEW Statement (create_view_statement)