• Internal order master data table in sap – ‘ COAS’
• Actual line items table – ‘ COEP’
• SAP internal order creation t code – KO01
• SAP internal order change t code – KO02
• SAP internal order display t code – KO03

AUFK : Order master data

T003O : Order Types

AFPO : Order item

AUFM : Goods movements for order