The SQL Server query optimizer estimates the cost of running a query plan using the number of rows that will be processed, which is the cardinality for the query.

What is SQL Server and how does it work - SQL Server 101 Are you wondering which tools can help you manage your SQL (Structured Query Language) server? Are you looking for a guide that will help ...

Dino Esposito explains JSON-to-rowset native support in SQL Server 2016 and provides a realistic perspective of data query when you have JSON data stored in the database.

Joey on SQL Server Deep Dive into SQL Server 2022's Query Performance Features, Part 2: PSP Optimization Reduce workload times with this handy feature that can benefit every database pro.

Microsoft has released the first release candidate for SQL Server 2025, touting AI capabilities and experimental features ...

SQL, the structured query language, is a programming language for communicating with databases. Variations on SQL are used by some of the most popular database tools in the world, including some ...