18th October 2018: PostgreSQL 11 Released!
Supported Versions: Current (11) / 10 / 9.6 / 9.5 / 9.4 / 9.3
Development Versions: devel
Unsupported versions: 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4 / 7.3 / 7.2 / 7.1

43.17. pg_inherits

The catalog pg_inherits records information about table inheritance hierarchies.

Table 43-17. pg_inherits Columns

Name Type References Description
inhrelid oid pg_class.oid The OID of the child table.
inhparent oid pg_class.oid The OID of the parent table.
inhseqno int4   If there is more than one parent for a child table (multiple inheritance), this number tells the order in which the inherited columns are to be arranged. The count starts at 1.