Practical Guide Pdf 28: Sap Bw 7.4

But here is the practical kicker that most blogs missed: Even after conversion, your F table still contained REQUEST_GUID entries for every single data load. That’s right—every DTP request left a forensic trail inside the fact table.

Have your own page 28 story from BW 7.4? Share your worst "HANA hangover" tale in the comments below.

Why page 28 of the underground manuals still matters in the era of BW/4HANA sap bw 7.4 practical guide pdf 28

It had one foot in the legacy world of transparent tables, aggregate rollups, and process chains that looked like spaghetti. And its other foot was firmly planted in the future—in-memory computing, columnar storage, and the promise of "instant" reporting.

Now go check your RSDD_HDB logs. You’ll probably find an index that hasn’t been rebuilt since 2018. But here is the practical kicker that most

Never trust the GUI. Trust M_MVC_TABLES . If the RECORD count in HANA doesn't match the ROWS in SE16 for your fact table, you are already in performance hell. The "Transparent Filter" Lie Another gem likely buried around page 28 of that PDF is the revelation about SID (Surrogate ID) navigation .

Why? Because HANA’s optimizer relies on fresh statistics. If your stats were from the last system copy three months ago, HANA would generate a brilliant execution plan for a dataset that no longer existed. You’d see a query take 12 seconds that should take 200 milliseconds. Share your worst "HANA hangover" tale in the comments below

Page 28 of a good practical guide would have shown you the exact ABAP report to run: RSDDB_INDEX_ANALYZE and, more importantly, RSDD_HDB_TRANSFER_DBSTATS .