Data Warehousing and Business Intelligence

11 March 2010

SQL 2008 Data Warehousing Features

Filed under: Data Warehousing,SQL Server — Vincent Rainardi @ 12:06 am
Tags: ,
New data warehousing features introduced in SQL Server 2008:
  • Merge: faster loading
  • Changed data capture: enables us to drip changes from DW to DMs, or from ODS/OS to DW
  • Resource governor: query is given higher priority over loading/processing
  • Minimally logged insert: faster loading
  • Star join query/bitmap filter: faster reports
  • Backup compression: small loading batch window
  • Data compression: less disk space, value of investment
  • Parallel query on partition tables: faster query on snapshot fact tables
  • Partitioned aligned indexed views: faster query on fact tables
  • Grouping sets: faster query from reports
  • Change tracking: real time, lightweight propagation of data changes into DW
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