Thomas LaRock: "Without a basic understanding of wait events and how the occur, you will waste a lot of time trying and guessing at how to improve the performance of a query." Optimizing SQL Server ...

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 ...

This paper demystifies query tuning by providing a rigorous 12-step process that database professionals at any level can use to systematically assess and adjust query performance, starting from the ...

SQL Sentry, Inc., a developer of software products that optimize the performance of Microsoft SQL Server environments, and DBSophic, a provider of performance management products for database-centric ...

We run JD Edwards' One World here on an NT 4 sql server. It's a pretty decent server but lately it's been running like a dog.<BR><BR>It's a 4-way 450mhz Xeon(2mb cache) machine with 4gigs of ram. All ...

As any database admin knows, mastering the subtler nuances of SQL can be likened to the black arts. For me, tuning the efficiency of SQL queries on large, heavily used databases is a perfect example.