Decision Atlas
SAP

SAP in practice

How the ideas on this map run inside SAP, transaction by transaction.

10 stops, 10 ready to read

  1. Stop 1

    SAP & S/4HANA basics

    What an ERP does, how SAP is organized into modules and organizational units, and what changed with S/4HANA.

    3 levels, 11 min in full

  2. Stop 2

    Demand planning in SAP

    How the forecasting ideas on this map show up in SAP IBP, and how the agreed forecast reaches MRP in S/4HANA.

    3 levels, 10 min in full

  3. Stop 3

    Inventory & MRP in SAP

    Where safety stock, reorder points, lot sizes and lead times live in the material master, and how MRP uses them.

    3 levels, 11 min in full

  4. Stop 4

    Procure to pay (MM)

    From requisition to payment in SAP MM: ME51N to F110, the three-way match, and what each step posts in finance.

    3 levels, 10 min in full

  5. Stop 5

    Plan to produce (PP)

    BOMs, routings, MRP runs and production orders in SAP PP, from demand to finished goods and settled costs.

    3 levels, 10 min in full

  6. Stop 6

    Warehouse (WM / EWM)

    How SAP knows which bin holds what, and the transfer orders that move goods from dock to bin to truck.

    3 levels, 10 min in full

  7. Stop 7

    Order to cash (SD)

    From customer order to payment in SAP SD: VA01 to F-28, the pricing logic in between, and what each step posts in finance.

    3 levels, 11 min in full

  8. Stop 8

    Record to report (FI/CO)

    Where every logistics step lands in the books, how account determination picks the accounts, and what month-end close involves.

    3 levels, 9 min in full

  9. Stop 9

    End-to-end process map

    One customer order traced across SD, PP, MM, WM and FI/CO, with every hand-off between modules, plus the interactive map built from my Global Bike practice.

    3 levels, 10 min in full

  10. Stop 10

    SAP interview questions

    The questions SAP functional interviews ask most often across MM, SD, PP and finance integration, with answers you can build on.

    3 levels, 12 min in full

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Safety stock covers the surprises while you wait for a delivery. It grows with the square root of lead time, not with lead time itself.

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