Table: PO_ACTION_HISTORY

Product:	PO - Purchasing
Description:	Document approval and control action history table
Implementation/DBA Data:	PO.PO_ACTION_HISTORY

Primary Key: PO_ACTION_HISTORY_PK

1. OBJECT_ID
2. OBJECT_TYPE_CODE
3. OBJECT_SUB_TYPE_CODE
4. SEQUENCE_NUM

Foreign Keys

Table		Foreign Table	Foreign Key Column
PO_ACTION_HISTORY		PO_HEADERS_ALL	PO_ACTION_HISTORY.OBJECT_ID
PO_ACTION_HISTORY		PO_REQUISITION_HEADERS_ALL	PO_ACTION_HISTORY.OBJECT_ID
PO_ACTION_HISTORY		PO_RELEASES_ALL	PO_ACTION_HISTORY.OBJECT_ID