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 ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

As a consultant whose job description includes putting out performance fires, I get to see a lot of problematic queries that can dramatically harm overall server performance and throughput. Wondering ...

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 ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Traditional caching fails to stop "thundering ...

(You can also use a query hint to force SQL Server to use the columnstore index). Columnstore index usage will show up in the query execution plan, just like any other type of index. Columnstore ...

Microsoft has open sourced the Java language extension it added to SQL Server 2019 last year. Language extensions are used in SQL Server to allow users to execute code externally for queries. The ...

Microsoft has open sourced the Java language extension it added to SQL Server 2019 last year. Language extensions are used in SQL Server to allow users to execute code externally for queries. The ...