SAP S/4HANA Administration · ABAP Development & Data Dictionary

You inherit old custom code that still defines matchcodes for F4 help. What does that tell you about the code, and what should you NOT do with it?

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More in ABAP Development & Data Dictionary

An internal table is read repeatedly by full unique key in a hot loop. Which of the three internal-table types fits, and why is SORTing a standard table the wrong fix?

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A developer skips the enqueue call but the UPDATE still works in testing. Why is SAP locking like a red traffic light, and what is the real risk?

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Why do core data services (CDS) benefit S/4HANA specifically, rather than being just a fancier view definition?

You must change a field's physical length (e.g. CHAR length 4) and separately fix inconsistent field labels. Data element vs domain — which one do you edit for each, and what's the blast-radius risk?

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