The catalog pg_init_privs records information about the initial privileges of objects in the system. There is one entry for each object in the

The view pg_stats provides access to the information stored in the

The catalog pg_amop stores information about operators associated with access method operator families. There is one row for each operator that

The view pg_locks provides access to information about the locks held by active processes within the database server. See Chapter 13 for more

The catalog pg_default_acl stores initial privileges to be assigned to newly created objects.

The pg_enum catalog contains entries showing the values and labels for each enum type. The internal representation of a given enum value is

The view pg_shadow exists for backwards compatibility: it emulates a catalog that existed in PostgreSQL before

The view pg_user_mappings provides access to information about user mappings. This is essentially a publicly readable view of

The catalog pg_largeobject_metadata holds metadata associated with large objects. The actual large object data is stored in

The catalog pg_foreign_data_wrapper stores foreign-data wrapper definitions. A foreign-data wrapper is the mechanism by which external data