Explain MM and SD flow from ABAP point of view?
Answer / krishna
SD Flow:
INQUIRY
VA11 is the T-code for inquiry and related tables are VBAK, VBAP.Once inquiry is done customer requests quotation.
QUOTATION
T-code for quotation in VA21, tables are VBAK, VBAP.After quotation flow goes for purchase order.
PURCHASE ORDER
Purchase order t-code is ME21N, related tables are EKKO, EKPO.Based on purchase order sales order will be created.
SALES ORDER
Sales order t-code is VA01, related tables are VBAK, VBAP. Once sales order is created, delivery will be done.
DELIVERY
T-code for delivery order is VL01N, tables are LIKP, LIPS. Next the goods should be dlivered through shipping
SHIPPING
Shipping t-code is VT01, related tables are VTTK, VTTP.Once goods are shipped, go for billing.
BILLING
Billing t-code is VF01, tables are VBRK,VBRP. Every bill has invoice...next provide invoice.
INVOICE
Invoice t-code is VF21, related tables are VBRK, VBRP.Invoice end of sales flow.
MM Flow:
1. Purchase Requisition (ME51N)
Material requirement are identified either by the user, department or via material planning and control. For example a MRP Run in production planning or material falling short of reorder-point can automatically generate Purchase Requisition. At the same time PR can be created manually in the system.
2. Source Determination - RFQ (ME41)
Identify the possible source of supply based on the past order and existing long term purchase contract. Then create Request for Quotation, which can be then sent electronically to vendors.
3. Vendor Selection and Comparison of Quotation (ME49)
After receiving quotation system is capable to simulate pricing scenarios, allowing user to compare number of quotations and sent rejection letter automatically.
4. Purchase Order (ME21N)
Data from Quotation or Purchase Requisition can be adopted to create Purchase Orders. Purchase Order is then sent to Vendor to supply the goods.
5. Purchase Order Follow ups ME91, ME91F, ME92F
Reminder can be sent to vendors at predefined intervals.
6. Goods Receipts (MB01)
Goods were received.
7. Invoice Verification (MIRO)
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