This is available in metalink and many internet sites. Since I felt it handy reference, I have reproduced the contents. Order Management Tables. Entered oe_order_headers_all 1 record created in header table oe_order_lines_all Lines for particular records oe_price_adjustments When discount gets applied oe_order_price_attribs If line has price attributes then populated oe_order_holds_all If any hold applied for order like credit check etc. Booked oe_order_headers_all Booked_flag=Y Order booked. wsh_delivery_details Released_status Ready to release Pick Released wsh_delivery_details Released_status=Y Released to Warehouse (Line has been released to Inventory for processing) wsh_picking_batches After batch is created for pick release. mtl_reservations This is only soft reservations. No physical movement of stock Full Transaction mtl_material_transactions No records in mtl_material_transactions mtl_txn_request_headers mtl_txn_request_lines wsh_delivery_details Released to warehouse. wsh_new_deliveries if Auto-Create is Yes then data populated. wsh_delivery_assignments deliveries get assigned Pick Confirmed wsh_delivery_details Released_status=Y Hard Reservations. Picked the stock. Physical movement of stock Ship Confirmed wsh_delivery_details Released_status=C Y To C:Shipped ;Delivery Note get printed Delivery assigned to trip stopquantity will be decreased from staged mtl_material_transactions On the ship confirm form, check Ship all box wsh_new_deliveries If Defer Interface is checked I.e its deferred then OM & inventory not updated. If Defer Interface is not checked.: Shipped oe_order_lines_all Shipped_quantity get populated. wsh_delivery_legs 1 leg is called as 1 trip.1 Pickup & drop up stop for each trip. oe_order_headers_all If all the lines get shipped then only flag N Autoinvoice wsh_delivery_details Released_status=I Need to run workflow background process. ra_interface_lines_all Data will be populated after wkfw process. ra_customer_trx_all After running Autoinvoice Master Program for ra_customer_trx_lines_all specific batch transaction tables get populated Price Details qp_list_headers_b To Get Item Price Details. qp_list_lines Items On Hand Qty mtl_onhand_quantities TO check On Hand Qty Items. Payment Terms ra_terms Payment terms AutoMatic Numbering System ar_system_parametes_all you can chk Automactic Numbering is enabled/disabled. Customer Information hz_parties Get Customer information include name,contacts,Address and Phone hz_party_sites hz_locations hz_cust_accounts hz_cust_account_sites_all hz_cust_site_uses_all ra_customers Document Sequence fnd_document_sequences Document Sequence Numbers fnd_doc_sequence_categories fnd_doc_sequence_assignments Default rules for Price List oe_def_attr_def_rules Price List Default Rules oe_def_attr_condns ak_object_attributes End User Details csi_t_party_details To capture End user Details Sales Credit Sales Credit Information(How much credit can get) oe_sales_credits Attaching Documents fnd_attached_documents Attched Documents and Text information fnd_documents_tl fnd_documents_short_text Blanket Sales Order oe_blanket_headers_all Blanket Sales Order Information. oe_blanket_lines_all Processing Constraints oe_pc_assignments Sales order Shipment schedule Processing Constratins oe_pc_exclusions Sales Order Holds oe_hold_definitions Order Hold and Managing Details. oe_hold_authorizations oe_hold_sources_all oe_order_holds_all Hold Relaese oe_hold_releases_all Hold released Sales Order. Credit Chk Details oe_credit_check_rules To get the Credit Check Againt Customer. Cancel Orders oe_order_lines_all Cancel Order Details.