Hi Muthu,
SAP MDG offers predefind master data models as standard which are as below:
- Material — MM
- Customer — BP
- Supplier — BP
- Financials — 0G
- Profit Center
- Cost Center
- GL Account
- Cost Element
But when you are creating any custom data model, then you need to define the mode of that data model with the help of which it can update the database tables depending on the mode you selected.
Before understaning the modes used by MDG, we need to understand 2 kinds of areas where data is usually stored and they are Active Area and Staging Area.
Active Area: Holds data that is ready to be used by applications
Staging Area : Holds the data that is not yet approved; current change request
- Reuse Mode (Reuse Active Area)
- Existing data structures (i.e., data base tables) of applications are reused. For example, MDG-M makes use of MARA tables in ECC to store the data of activated CR.
- In reuse mode, data is directly updated in ECC tables where as you need to set up replication model to transfer the data from flex mode
- Flex Mode (Generated active area)
- Tables as defined in the MDG (Data Model) are used to store both the active and inactive data. For example, MDG-F makes use of Flex Mode.
- Flex mode doesn't hold active data where as your reuse mode holds active data in staging tables. You can design your data model based on the requirement
Regarding your second quey, only Finance Master data is needed to be used in Flex mode because it is quite sensitive data and you generally use it for legal purpose and transaction purposes as compared to Customer and Supplier data which are usually considered as Master Data.
Hope this clears your understanding.
Regards,
Satyam Rastogi
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