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 ...

The quality of that query plan is wholly dependent on the quality of the cardinality estimates (i.e., an estimate of the number of rows of data involved in an operation), the order of the operations, ...

Database performance is rarely a single "fix it and forget it" task. SQL Server workloads shift over time. A sluggish ...

I'm not sure it really is actually estimated because as far as I know the only way it can show you what the query plan is is by executing it. So then it really isn't an estimate. I'm sure I'm totally ...

SQL Sentry, LLC., the developer of award-winning software for SQL Server performance monitoring and tuning, is pleased to announce that all Plan Explorer features are ...

JSON has stolen some of XML's thunder with features such as human and machine readability, a lightweight, compact text structure and support for many software and hardware platforms. JSON (JavaScript ...

SQL Server 2012 includes a lot of new and exciting features. One feature that has caught the imagination of many in the user community is the high-performance feature called Columnstore Indexes.