An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...

Often, designing databases and speeding up SQL Server queries are treated as a kind of abstract problem: A just "Find this problem, apply this solution" approach to problem solving. In practice, ...

As I discussed in an earlier column, SQL Server keeps a plan cached for each query it sees (assuming the query requires planning in the first place, of course). That's great for speeding up processing ...

SELECT query, calls, total_time, mean_time, rows FROM pg_stat_statements ORDER BY total_time DESC LIMIT 10; This identifies and prioritizes queries impacting overall performance. Execution plan ...

Maximize your SQL Server performance – right now! Optimizing SQL Server performance is challenging work. And while you can find a lot of info on general performance problems, there hasn’t been much ...

Perhaps a bit of an esoteric problem but... I have a SQL Server 2008 instance on EC2 (running on 2008 R2) under heavy load. I'm trying to optimize I/O performance and after a couple iterations I'm ...

Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works. Database ...

With the latest public preview available, it’s time to decide if you want to upgrade to Microsoft’s most cloud-connected version of SQL Server so far. Three decades on, SQL Server is still a database ...