Niko Neugebauer • 1/2/2026

Columnstore Indexes – part 135 (“JSON type and JSON Index with Columnstore Indexes”)

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This technical article, part 135 of a series, details the introduction of the JSON data type and JSON Index in SQL Server 2025. It analyzes their compatibility with Clustered, Nonclustered, and In-Memory Columnstore Indexes, as well as Batch Mode execution. The post explains that these features are currently in preview with significant limitations, provides a summary table of support, and discusses the practical need for JSON in HTAP and data exchange scenarios within database systems.

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#data types #json #Database Optimization
Columnstore Indexes – part 135 (“JSON type and JSON Index with Columnstore Indexes”)

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