views
   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 36.63. 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 | CASCADEDorLOCALif the view
       has aCHECK OPTIONdefined on it,NONEif not | 
| is_updatable | yes_or_no | YESif the view is updatable (allowsUPDATEandDELETE),NOif not | 
| is_insertable_into | yes_or_no | YESif the view is insertable into (allowsINSERT),NOif not | 
| is_trigger_updatable | yes_or_no | YESif the view has anINSTEAD OFUPDATEtrigger defined on it,NOif not | 
| is_trigger_deletable | yes_or_no | YESif the view has anINSTEAD OFDELETEtrigger defined on it,NOif not | 
| is_trigger_insertable_into | yes_or_no | YESif the view has anINSTEAD OFINSERTtrigger defined on it,NOif not |