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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. |