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#analytical-query

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Columnstore Indexes in SQL Server: When CCI Beats NCCI for Analytics

A large fact table makes aggregations painful. Columnstore cuts I/O with columnar compression and batch mode, but CCI and NCCI have different transactional and maintenance implications.

analytical-query

microsoftsqlserver columnstore-indexTasadduq Burneyowner33.8K rep · 17 Nov 2025, 17:04 UTC