Is SAP Correct that Customers Should Use BW4HANA Instead of Other BI Tools for Integration to HANA?

Executive Summary

  • SAP has told customers that they must use BW as a BI solution for HANA.
  • How accurate is SAP on this topic?

Introduction

SAP has been communicating to customers that they should buy BW4HANA for BI under the premise that SAP is not designed to integrate well with 3rd party solutions.

Our Analysis

  • Using BW means very serious productivity issues long term.
  • BW is not effective where it is implemented.
  • The idea that an RDBMS can’t connect effectively to anything but a specific BI tool is very odd. This brings up the question of what is an RDBMS. Overall, this topic needs to be analyzed. This is not to say it is not more difficult, but adapters can be written to any database.

This is pointed out in the following quote.

“HANA is widely SQL92 compliant, CDS views are an extension of SQL92. It may be an issue that third party BI vendors do not yet invest in HANA extensions and optimizations. Anyway, there is no CDS view that can only exist in S/4 or BW/4HANA. In the end it are native database artifacts that can be created via DDL statement.– Dr. Rolf Paulsen

Conclusion

SAP’s arguments are based upon integration and the logic that customers must use what they provide. That says nothing about what is actually effective or good.

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References

The Risk Estimation Book

 

Software RiskRethinking Enterprise Software Risk: Controlling the Main Risk Factors on IT Projects

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Chapter 4: Understanding the Enterprise Software Market
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Chapter 7: How to Use the Reports of Analysts Like Gartner
Chapter 8: How to Interpret Vendor-Provided Information to Reduce Project Risk
Chapter 9: Evaluating Implementation Preparedness
Chapter 10: Using TCO for Decision Making
Chapter 11: The Software Decisions’ Risk Component Model