PostgreSQL

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

CASCADED or LOCAL if the view has a CHECK OPTION defined on it, NONE if not

is_updatable

yes_or_no

YES if the view is updatable (allows UPDATE and DELETE), NO if not

is_insertable_into

yes_or_no

YES if the view is insertable into (allows INSERT), NO if not

is_trigger_updatable

yes_or_no

YES if the view has an INSTEAD OF UPDATE trigger defined on it, NO if not

is_trigger_deletable

yes_or_no

YES if the view has an INSTEAD OF DELETE trigger defined on it, NO if not

is_trigger_insertable_into

yes_or_no

YES if the view has an INSTEAD OF INSERT trigger defined on it, NO if not