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Sap Bw 7.4 On Sap Hana- Migration -sap Press E-bites Book 46-.epub Extra Quality Jun 2026

The centerpiece of any modern HANA migration is the . This is a combined procedure that allows for an upgrade of the SAP software (to BW 7.4) and a migration to the SAP HANA database in one step.

The E-Bite concludes that migrating to via DMO is a well-established, low-risk path when prerequisites are met. Post-migration, BW no longer functions as a traditional relational database-driven warehouse but as a HANA-native platform . Organizations should plan for:

: Focuses on converting legacy objects (like InfoCubes) into HANA-optimized versions to leverage in-memory speed. IT Partners, Inc. Who is it for? SAP Basis Consultants The centerpiece of any modern HANA migration is the

According to the E-Bite, 80% of migration failures are due to ignored prerequisites.

Before starting, the guide stresses the following mandatory checks: Post-migration, BW no longer functions as a traditional

| Pitfall | Solution | |---------|----------| | High memory consumption during DMO | Use –Xmx for Java export, restrict parallel threads via SUM profile. | | HANA export/import failures due to large tables | Split tables using RSDU_TABLE_SPLIT_HDB before migration. | | Mixed ABAP/Java stack (BW+Java) | Java system must be migrated separately or removed via JSPM. | | Incorrect code after migration (e.g., SELECT … ENDSELECT loops) | Run RS_HDB_MIGRATION_ANALYZE to find HANA-incompatible ABAP. | | Post-migration slow queries | Check HANA column store statistics (update with HDB_MIGRATION_STATISTICS ). |

| Approach | Description | Recommended? | |----------|-------------|---------------| | | Fresh BW 7.4 on HANA, then data load from source. | No – high effort, no history. | | Database Migration Only | Same BW release (e.g., 7.3) but from any DB to HANA. | Only if staying on 7.3. | | System Conversion | Single step: BW upgrade to 7.4 + DB migration to HANA via SUM (DMO – Database Migration Option). | Yes – minimal downtime, integrated process. | Who is it for

Before diving into the migration mechanics of the SAP PRESS E-Bite, we must understand the starting point. SAP BW 7.4 was a transitional release. While it was designed to run on traditional databases (like Oracle, DB2, or SQL Server), it introduced the "optimized mode" for HANA.