Welcome to my Ted Talk, data transformation is done in T-SQL. Thank you. Well, yes once upon a time, maybe. Nowadays there are many more ways that lead to the dark side (also known as data vault) and the happy side (also known as the star schema or dimensional model). Did I lose you yet? … Continue reading DP-700 Training: Data transformation options
Welcome back to this mini series on Azure Sql Server with Copilot. In the previous posts I wrote about a general introduction of this toolset (click here for more) and had some fun in the Azure Portal getting stuff done (click here for more). In this third part, I'm going in for the data and … Continue reading Sql Server and Copilot. What the query it this? Part 3, query editor
Yes I know, clickbaity cheesy title. This blog is a bit like that, but maybe you'll learn something as well. Issue In short, what I was facing today was a trial migration from System A to System B. Which means that data has to flow from one system to the other. System A is a … Continue reading Not every SQL is created equal
Or, how SQL Server behaved differently than I expected but managed to process quite a lot of rows before giving up. Let's begin We have a customer that would like to see the actual value of their stock in a table. They buy their stock at different times and at different prices. Calculating the stock … Continue reading SQL Server Common Table Expressions, a tale.
With an unsatisfying end. Intro So what's up this time. Our client has moved to Azure in classic lift and shift scenario. Well, almost. They've deployed new VM's and installed SQL Server 2019 Standard in nice DTAP setting. The VM's are standard E16-4as-v4 SKU. 4 vcpus and 128 GB memory. The disks are Premium SSD … Continue reading Why won’t you go parallel, a curious case of a stubborn query.
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