By default, SQL Server uses an isolation level of Read Committed, which means a query cannot read data modified by another transaction that has not yet committed, thus preventing dirty reads.

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.

SQL Server 2019 builds on intelligent query processing features that were implemented in SQL Server 2017, and expands them to new areas of the database engine.

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.

Graph database query languages are growing, along with graph databases. They let developers ask complex questions and find relationships.

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

mcp_ohmy_sql is an open-source Text-to-SQL system developed for deployment in enterprise production. It is not about specific ...

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 ...