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Implementation Best Practices for IBM DB2 BLU Acceleration with SAP BW on IBM Power Systems by Dino Quintero, Yukiko Itaya, Speitim Velic, Adriana Melges Quintanilha Weingart

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Adding IBM DB2 Near-Line Storage to archive cold temperature SAP BW data
As described in 1.6, “Multi-temperature storage group” on page 13, not all data is used with the same frequency. The amount of data found in analytic systems such as an SAP Business Warehouse is growing constantly, but especially the older data, which is used rarely and can be assigned to cold temperature data. With the Near-Line Storage (NLS) feature, you can archive older but needed data into a separate database on another LPAR and also to other storage subsystems. You can ...

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