Many folks build star schema data warehouses and the supporting ecosystem of Semantic Models, Business Intelligence and/or ML Analytics. This is a quick note on how to assess how you are with automation, regardless of what tools you are using: SSIS,ADF, SQL, data bricks, Synapse, or non Microsoft tools. I recently ran a twitter thread … Continue reading The need for DW Automation (1/3)
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TLDR The short answer is YES - if you have >= 60 million rows, then a poorly maintained column store was 100% slower due to trim fragmentation and 64% slower due to the delta row store with some updates in our tests. Obviously this is just a small test on only 60 million rows and … Continue reading Do we need to maintain Columnstores in SQL Pools ?