1. Juergen Thomas Principal Program Manager Microsoft Corporation SESSION CODE: DAT314

9. SQL Server 2005 SP2 VarDecimal Compression to improve Space Efficiency for SAP BI SQL Server 2008: Introduction of ROW level and Page Dictionary Compression for all SAP products SQL Server 2008 R2 delivers UCS2 space efficiency features – no additional porting effort for SAP

10. SQL Server introduced two different types of ‘compression’ Row compression Page Dictionary compression SQL Server allows compression of data and clustered/non-clustered indexes SAP so far supports Compression of Data Layer including clustered Index ROW compression applied to clustered indexes is default for new SAP installations against SQL Server 2008 and later SQL Server releases Compression of non-clustered indexes and usage of Page Dictionary Compression as default compression method will be released by MS/SAP Joint Development team in Fall 2010 Results customers saw with current compression are outstanding

11. Customer Original DB Size Compression Method Space saved Percentage Saving more CPU consumption SAP System Quanta 5.3TB Row + Page on 250 largest tables 2.4TB45%20%ERP Microsoft 6.5TBROW all tables1.9TB29.20%NoneERP Microsoft 1.5TBPAGE all tables1.2TB80%60%BW CLP 2.3TBPage all tables1.7TB74%25%BW Australian Customer in Sales and Retail 505GBROW all tables365GB72%NoneBW

12. Locale SCSU in SQL Server 2008 R2 UTF-8 English 50% Kanji 85%100% Korean 100% Turkish 52%53% German 50% Vietnamese 61%68% Hindi 50%100%

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