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Swisscom makes gains by shrinking data warehouse systems
This article is part of the Business Information issue of October 2017, Vol. 5, No. 5
In the era of big data, digital business transformation and consolidation of data warehouse systems is a massive undertaking. Just ask Omar Bumann, head of business process solutions telco at Swisscom, who captained the company's transformation voyage. A consolidation of SAP Business Warehouse systems allowed Swisscom to implement an entirely new SAP BW on HANA data warehouse and significantly reduce the amount of data to manage. Based in Ittigen, Switzerland, the telecom firm, which provides fixed line and mobile telephony and internet services, has been a long-time SAP user with several SAP ERP and SAP BW applications running in various company divisions. Two years ago, Swisscom combined several of its divisions into one legal entity, and it decided to merge the ERP and BW data warehouse systems as well. Merging the ERP systems was relatively straightforward -- there were only two systems -- but the SAP BW systems were another matter entirely, according to Bumann. Along with the variety of BW apps, the systems themselves were ...
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