Niko Neugebauer 12/3/2025

Columnstore Indexes – part 132 (“What’s missing in Columnstore indexes in the year 2026”)

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This article, part 132 of a series, details the author's wishlist for improvements to SQL Server Columnstore Indexes. Written in late 2025, it critiques current limitations and proposes ten key enhancements for 2026, including Big Dictionaries, configurable Row Group sizes, faster joins, better query optimization, and support for online operations and replication.

Columnstore Indexes – part 132 (“What’s missing in Columnstore indexes in the year 2026”)

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