29/05/2026
In SAP S/4HANA Public Cloud, no custom ABAP code exists in the core system. There are no Z-programs, no modified standard SAP objects, no custom database tables in the core schema. The S/4HANA Public Cloud instance that SAP delivers to your organization is identical in structure to every other customer's instance. This standardization is what enables SAP to push mandatory quarterly updates across all tenants simultaneously without breaking any individual customer's system.
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The clean core is the defining architectural constraint of SAP S/4HANA Public Cloud. It is not a feature, it is the foundational rule that makes continuous, automatic updates technically possible. Every other architectural decision in a Public Cloud implementation flows from it. What Clean Core Mean...