SQLpassion Live Training about Query Tuning Fundamentals
On May 3, 2022 I will run an SQLpassion Live Training about SQL Server Query Tuning Fundamentals. If you have a database driven application which reacts very slowly when...
2022-04-04
52 reads
Klaus Aschenbrenner
Heap Tables
In today’s blog posting I want to talk about Heap Tables in SQL Server. Heap tables are tables without a Clustered Index. A table in SQL Server can have...
2022-03-01
428 reads
Data Page Restrictions
Today I’m talking about limitations that you have with data pages, and why there are restrictions that you will love, while you will hate other restrictions. As you learned,...
2022-03-07 (first published: 2022-02-21)
319 reads
Extent Management in SQL Server
Today I’m talking about Extent Management in SQL Server, because this is a very important topic, especially when you deal with TempDb in SQL Server. On a very high...
2022-02-28 (first published: 2022-02-14)
642 reads
Creating a distributed Service Broker application with Docker
As you might know, I have written a long time ago a book about Service Broker – a technology within SQL Server that almost nobody is aware of and...
2022-02-21 (first published: 2022-02-07)
462 reads
Data Pages – the Foundation of SQL Server
Last week we laid out the foundation for how SQL Server executes queries. I have also already talked here a little bit about pages that are buffers of 8kb....
2022-02-11 (first published: 2022-01-31)
827 reads
How SQL Server executes a Query
Beginning with today, I want to give you over the next few months a blog post series about the basics of performance tuning in SQL Server. Before we go...
2022-02-04 (first published: 2022-01-25)
1,644 reads
My new Online Training: SQL Server Query Tuning Fundamentals – German Edition
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
44 reads
My new Online Training: SQL Server Query Tuning Fundamentals – German Edition
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
62 reads
My new Online Training: SQL Server Query Tuning Fundamentals – German Edition
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
19 reads
Blogs
DiskANN Experiment — Exploring Entry Points and Graph Neighborhoods
Introduction I was experimenting with vector search in SQL Server 2025 using approximately 3.8...
T-SQL Tuesday #203: Risk and Reward
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
dataMinds Connect 2026 – Slides & Scripts
You can find the slides and SQL scripts for my session “Spice up your...
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Question of the Day
PostgreSQL psql Meta Commands: Tables
Which of the following psql meta commands (also called backslash or slash commands) will provide information about tables within a database?
See possible answers