In SQL Server 2017, automatic plan correction was added, which allows for the database engine to automatically use the "last known good plan" for a query that has suddenly regressed in performance.

The query optimizer uses statistics, indexes, and other factors to generate an execution plan, which is a set of steps that SQL Server follows to retrieve or modify data.

In SQL Server 2016, Microsoft also added the query store, which helps track query performance and execution plans over time. While the query store is a fantastic tool for monitoring query ...

In earlier versions of SQL Server, after selecting a join algorithm, SQL Server had to process it even if a better alternative might be available. In SQL Server 2017, the query optimizer can now sense ...

Sometimes query execution in VSCode-mssql is very slow, lags for 10-20s before anything happens. I'm pretty sure it's not my database being slow because the exact same query in SQL Server Studio never ...

The new SQL Server bug is an authenticated remote code execution vulnerability that exists in the MSSQL extended stored procedure, "sp_replwritetovarbin," due to an invalid parameter check ...

Microsoft has open sourced a .NET 5 C# Language Extension for SQL Server, allowing developers to work with relational data in the company's flagship programming ... external code. While such code ...

Class-based query-optimization for minimizing worst-case execution times of diagnostic queries in embedded real-time systems ...