These are Tables which included in purchase order posting in axapta. These are main table of purchase order posting. InventTrans is common table for all type of inventory related transactions.
PurchTable
PurchLine
PurchParmTable
PurchParmLine
InventTrans
VendInvoiceJour
VendInvoiceTrans
VendInvoicePurchLink
VendTrans
VendTransOpen
LedgerTrans
TaxTrans
TaxTrans_In
PurchTable
PurchLine
PurchParmTable
PurchParmLine
InventTrans
VendInvoiceJour
VendInvoiceTrans
VendInvoicePurchLink
VendTrans
VendTransOpen
LedgerTrans
TaxTrans
TaxTrans_In