Restoring a bacpac file, but differently.

Or maybe I should say, with some complications. Or challenges. When I got the job to restore a bacpac file, I didn't think much of it. Because it's quite easy. Get the bacpac and restore it with Azure Data Studio or Sql Server Management Studio. Get coffee, done. Then I got these requirements: The bacpac … Continue reading Restoring a bacpac file, but differently. →

SQL Server Common Table Expressions, a tale.

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. →

Why won’t you go parallel, part 2

In my previous blogpost (Click here to read) I wrote about a query that just wouldn't go parallel. This sparked some discussion and interest from a few people who were very kind and helpful with their suggestions and even deep dives into the query plans, execution statistics etc. To make one thing very clear, this … Continue reading Why won’t you go parallel, part 2 →

Why won’t you go parallel, a curious case of a stubborn query.

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. →

View with a where clause

I was teaching a class and during an interesting discussing an attendee told me that views with a filter took a long time to produce results, even if the result set itself was quite small. I wanted to test this out for myself to see what was happening. I'll take you along this short journey … Continue reading View with a where clause →

Microsoft Fabric, connect to your on-premises SQL Server

In my previous blogs, I've written about Fabric and all the cool things it can do. Thing is, my load tests were based on files. Either CSV or Delta. But in reality, a lot of data comes from an on-premises database server. In reality, you might connect to a SQL 2008 instance or maybe even … Continue reading Microsoft Fabric, connect to your on-premises SQL Server →

Tsql2sday #161, the writeup

This month, I hosted the Tsql2sday where I asked you to write about the most funny things you did with T-Sql. I'll happily admit it was a bit of a cheesy subject but you came out in numbers to write! Thanks for that. Before I dive into the blogs I found, send me a message … Continue reading Tsql2sday #161, the writeup →

Fooling around with TPC-H data, ADF and Hyperscale Serverless

In one of my last blogs, I wrote about my first encounter with the Azure Hyperscale Serverless offering. Now it's time to dig a bit deeper and what it's up to. Disclaimer. Azure Hyperscale Serverless is in preview and one of the things that isn't active yet, is the auto shutdown. This means that it … Continue reading Fooling around with TPC-H data, ADF and Hyperscale Serverless →

Azure Hyperscale Serverless, first impressions

As some of you know, I've written a series of blog posts on Azure SQL Databases and there's an accompanying session that I had the honour of presenting a number of times. Now Azure keeps developing new offers and one of these went in public preview February 15th. An offer I hadn't seen coming. You … Continue reading Azure Hyperscale Serverless, first impressions →

Azure SQL Databases part 10 of 9, round up

In the past 9 blogs, I’ve shown you all sorts of Azure SQL database solutions and gave them a little run for their money. I’ve tested a lot and written about them. This blog will be about the summation of the data and my views on the combined graphs. At the end I’ll wrap it … Continue reading Azure SQL Databases part 10 of 9, round up →