Columnstore Indexes – part 125 (“Estimate Columnstore Compression as a System Stored Proc”)
Read OriginalThis technical blog post, part 125 of a series, analyzes the updated sys.sp_estimate_data_compression_savings procedure in SQL Server 2019 CTP 2.0, which now supports Columnstore and Columnstore Archival compression. It compares Microsoft's implementation to the author's own custom procedure, discussing technical limitations, testing methodology, and the performance impact of operations like MERGE on Columnstore Indexes.
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