PostgreSQL

table_catalog

sql_identifier

Name of the database that contains the table (always the current database)

table_schema

sql_identifier

Name of the schema that contains the table

table_name

sql_identifier

Name of the table

table_type

character_data

Type of the table: BASE TABLE for a persistent base table (the normal table type), VIEW for a view, FOREIGN for a foreign table, or LOCAL TEMPORARY for a temporary table

self_referencing_column_name

sql_identifier

Applies to a feature not available in PostgreSQL

reference_generation

character_data

Applies to a feature not available in PostgreSQL

user_defined_type_catalog

sql_identifier

If the table is a typed table, the name of the database that contains the underlying data type (always the current database), else null.

user_defined_type_schema

sql_identifier

If the table is a typed table, the name of the schema that contains the underlying data type, else null.

user_defined_type_name

sql_identifier

If the table is a typed table, the name of the underlying data type, else null.

is_insertable_into

yes_or_no

YES if the table is insertable into, NO if not (Base tables are always insertable into, views not necessarily.)

is_typed

yes_or_no

YES if the table is a typed table, NO if not

commit_action

character_data

Not yet implemented