We are planning to migrate from SAP ECC vs SAP S/4 HANA. Can anyone please provide what are the SAP tables will be impacted, what are impacted fields in each tables.
SAP has significantly revamped the data model in S/4HANA. There are plenty of blog articles and support notes explaining that. However you don't need to worry about that much as the old ECC data model is simulated with virtual model comprising of CDS views. In other words, CDS views simulate the old data model and calculate necessary data on the fly. Thus your existing developments relying on the old data model will work, at least in their majority. I'm aware of the only case that doesn't work, which is VBBS table - see my old answers:
Please check the simplification list below. In which, SAP describes in detail, on a functional level, what happens to individual transactions and solution capabilities in SAP S/4HANA. Compared to the SAP Business Suite products, we have in some cases merged certain functionality with other elements or reflected it within a new solution or architecture.
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