Summarizing data using GROUP BY and HAVING clauses
You can summarize data to get counts, averages, sums, and more using GROUP BY in T-SQL queries. Greg Larsen shows you how.
Query Tuning, Why Bother?
Today Grant wonders why we spend so much time trying to learn about query tuning.
Establishing a Connection to PostgreSQL with GoLang
Learn how to use golang to connect to a PostgreSQL database.
Columnstore Indexes are Finally Sorted in SQL Server 2022
There’s a widespread misconception that SQL Server’s columnstore indexes are like an index on every column.
Power BI - How to Download and Get Started
In this article learn how to download, install and get started building your first Power BI report using SQL Server data.
A Culture That Allows Mistakes
The culture in which we work is important. Having a culture that accepts and allows mistakes can help your organization. Not having this can make the environment much worse.
PerfMon: Using SQL Server Performance Counters
Learn how you can use Windows Performance Monitor and the PAL to gather metrics from your SQL Server instances.
DevOps Collaboration and Process Visibility in Flyway Developments
A brief history of the DevOps movement and a discussion of the pivotal role of a tool like Flyway in the DevOps toolchain, when developing and delivering database changes.
How to troubleshoot and fix PostgreSQL performance issues
PostgreSQL database performance is critical for application performance. EzzEddin Abdullah shows how to get information about a query’s performance from the execution plan.
Blogs
Modify Power BI page visibility and active status with Semantic Link Labs
Setting page visibility and the active page are often overlooked last steps when publishing...
T-SQL Tuesday #190–Mastering a New Technical Skill
By Steve Jones
It’s time for T-SQL Tuesday again and this time Todd Kleinhans has a great...
Getting Started with the MSSQL AI Agent in VS Code
By Steve Jones
Recently I was working in VS Code and I saw a walkthrough for the...
Forums
Password Guidance
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Using table variables in T-SQL
Comments posted to this topic are about the item Using table variables in T-SQL
Azure elastic query credential question
I am trying to check out elastic query between two test instances we have...
Question of the Day
Using table variables in T-SQL
What happens if you run the following code in SQL Server 2022+?
declare @t1 table (id int); insert into @t1 (id) values (NULL), (1), (2), (3); select count(*) from @t1 where @t1.id is distinct from NULL;See possible answers