PostgreSQL

grantor

sql_identifier

Name of the role that granted the privilege

grantee

sql_identifier

Name of the role that the privilege was granted to

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

privilege_type

character_data

Type of the privilege: SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, or TRIGGER

is_grantable

yes_or_no

YES if the privilege is grantable, NO if not

with_hierarchy

yes_or_no

In the SQL standard, WITH HIERARCHY OPTION is a separate (sub-)privilege allowing certain operations on table inheritance hierarchies. In PostgreSQL, this is included in the SELECT privilege, so this column shows YES if the privilege is SELECT, else NO.