Usual Oracle Applications PO Tables

PO_HEADERS_ALL	Purchase Order information with Supplier, Site and status
PO_LINES_ALL	PO Lines with Item Information and quantity
PO_LINE_LOCATIONS_ALL	PO Information on Shipments Destination
PO_DISTRIBUTIONS_ALL	PO Distribution where the accounts are
PO_LINE_LOCATIONS_ARCHIVE_ALL	table updated for history on Shipment/Destination Location Information
PO_LINE_TYPES_B	PO Types used in the PO_LINES_ALL
PO_LINES_TYPES_TL	PO Line Types used in MLS
PO_RELEASES_ALL	Stores revision number for the PO
PO_HEADERS_ARCHIVE_ALL	table updated for the history on the status and PO Header changes, Lines, Location and PO Accounts Distribution
PO_LINES_ARCHIVE_ALL	table updated for the history on the lines
PO_DISTRIBUTIONS_ARCHIVE_ALL	table updated for the history on the account distribution
PO_AGENTS_V	Buyer
PO_VENDORS	Supplier Table
PO_VENDOR_SITES	Supplier Sites
PO_VENDOR_CONTACTS	Supplier Contacts
PO_HAZARD_CLASSES	contains code and description for hazardous items which gets automatically printed into purchase order, RFQ and Receipt Travelers
PO_REQUISITION_LINES_ALL	Requisition Lines
PO_REQUISITION_HEADERS_ALL	Requisition Headers
PO_REQ_DISTRIBUTIONS_ALL	Distribution Lines of Requisition where accounts are
PO_APPROVED_SUPPLIER_LIST	Supplier List for Auto-Sourcing
PO_ASL_DOCUMENTS	Advanced Shipment Documents
PO_APPROVAL_LIST_HEADERS	PO Approval Path
PO_APPROVAL_LIST_LINES	PO Approval Path
Other Related Tables
MRP_SOURCING_RULES	Used for Auto-Sourcing Rules
MRP_SR_RECEIPT_ORG	Used for Auto-Sourcing Rules
MRP_SR_SOURCE_ORG	Used for Auto-Sourcing Rules
MRP_ASSIGNMENT_SETS	Used for Auto-Sourcing Rules
MRP_SR_ASSIGNMENTS	Used for Auto-Sourcing Rules
RCV_SHIPMENT_HEADERS	Shipment Table Header with grouping information
RCV_SHIPMENT_LINES	Shipment Table lines with item information
RCV_TRANSACTIONS	PO Lines or Requisition received in destination or transit
RCV_ACCOUNTING_EVENTS	Receiving information on accounts
RCV_RECEIVING_SUB_LEDGER	Accounting entries generated for the receiving transactions
RCV_SUB_LEDGER_DETAILS	Detail accounting entries generated for the receiving transactions
RCV_LOT_SUPPLY	Parent for RCV_LOT_TRANSACTIONS
RCV_LOT_TRANSACTIONS	Table housing the information what lot the item is received
PO Interface Tables
PO_HEADERS_INTERFACE	Used for creating PO
PO_LINES_INTERFACE	Used for creating PO
PO_DISTRIBUTIONS_INTERFACE	Used for creating PO
PO_REQUISITIONS_INTERFACE	Used for creating Requisition
PO_REQ_DIST_INTERFACE	Used for creating Requisition
PO_INTERFACE_ERRORS	Error created during the processing of the PO or requisition
RCV_INTERFACE	Used for creating Received Items
RCV_HEADERS_INTERFACE	Used for creating Received Group of items
RCV_LOT_INTERFACE	Used for receiving item into a particular lot