The view views contains all views defined in the
   current database.  Only those views are shown that the current user
   has access to (by way of being the owner or having some privilege).
  
Table 32-45. views Columns
| Name | Data Type | Description | 
|---|
| table_catalog | sql_identifier | Name of the database that contains the view (always the current database) | 
| table_schema | sql_identifier | Name of the schema that contains the view | 
| table_name | sql_identifier | Name of the view | 
| view_definition | character_data | Query expression defining the view (null if the view is not
       owned by a currently enabled role) | 
| check_option | character_data | Applies to a feature not available in PostgreSQL | 
| is_updatable | character_data | YES if the view is updatable (allows
       UPDATE and DELETE),
       NO if not | 
| is_insertable_into | character_data | YES if the view is insertable into (allows
       INSERT), NO if not |