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SQL Server Column Store Indexes

SQL Server Column Store Indexes

陈傲天
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The SQL Server 11 release (code named “Denali”) introduces a new data warehouse query acceleration feature based on a new index type called a column store index. The new index type combined with new query operators processing batches of rows greatly improves data warehouse query performance: in some cases by hundreds of times and routinely a tenfold speedup for a broad range of decision support queries. Column store indexes are fully integrated with the rest of the system, including query processing and optimization.
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