Applies to:
•SAP NetWeaver BW 7.30 SP 8 or higher
•SAP HANA SP 5 revision 55 or SP 6
Summary:
This document describes and compares few data modeling options for SAP BW on HANA
Author(s) : Aakash Arora ,Ashwin Purushotam
Company : Infosys Limited
Created on : 04 Oct 2013
Author Bio:
Aakash works as Principal Consultant with Infosys Limited. He has 12 years of experience in IT Consulting Industry and during this time he has worked majorly on SAP NetWeaver BW & Business Objects . He has worked on multiple implementation projects.
Ashwin works as Senior Consultant with Infosys Limited. He has 8 years of experience in IT Consulting Industry and during this time he has worked majorly on SAP NetWeaver BW & Business Objects . He has worked on multiple implementation projects and as a L2 in support role.
Table of Contents
SAP BW powered by HANA gives you multiple options to do data modeling based on customer requirements .The objective of this document is to showcase different modeling possibilties for designing an effective scalable data model using SAP BW with HANA
Figure 1
Features
Figure 2
Typical Design flow for Option 2
Figure 3
Figure 4
Features
Typical Design flow for option 3
Figure 5
Area | Option 1 | Option 2 | Option 3 |
1. Data extraction Mechanism | Use BW extraction mechanism to load data | Use BW extraction mechanism to load data | Use BW extraction mechanism to load data |
2. Use of BW Functionalities like Hierarchies , Planning applications, Master data, complex transformations | Can leverage all BW Functionalities | Can leverage all BW Functionalities | Separate analytical views or Hierarchies to be created in HANA |
3. HANA modelling advantages, on-the-fly calculations, non-materialized views | BW Modelling is leveraged with HANA just as database. BW objects optimized for HANA | Balanced use of HANA and BW modelling capabilities. | Full use of all HANA modelling capabilities |
4. Authorizations | BW Authorization can be leveraged | BW Authorization can be leveraged based on scenario | Authorization setup needs to be created at HANA layer – not very comprehensive as BW in current version |
5. Reporting Tool set | Built-in BEx tools or BO or 3rd party (BEx as interface) | Built-in BEx tools or BO or 3rd party (BEx as interface) | No BEx option. BO , Excel or 3rd party reporting directly on HANA layer |
6. Solution architecture | Simplified architecture. All data management within BW | More complicated architecture due to hybrid data modelling | |
7. Licence | BW on HANA licence | HANA enterprise license needed | HANA enterprise license needed |
§ Best of both worlds – use HANA & BW in an interoperable (hybrid) mode
§ Get BW data provisioning capabilities to stage data from SAP and Non SAP environments
§ Get HANA advantage (on-the-fly calculations, non-materialized views)
§ Hybrid BW-HANA will leverage authorizations defined in BW.
§ Leverage BW functionalities like Master data , Hierarchies , Planning functions, BW reporting capabilities.
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