Learn some best practices for debugging a SQL query with high CPU usage, using various tools and techniques. Identify, analyze, optimize, and test your query for better performance.

SQL was so attractive in the later 1980s that many database vendors essentially stapled a SQL query processor on top of their CODASYL databases, to the great dismay of Codd, who felt that ...

A few months ago a new option was added to the Sql.Database and Sql.Databases functions in Power Query in Power BI and Excel which allows Power Query queries that combine data from different SQL ...

Type: Bug As mentioned in #7440, I seem to have the issue of queries hanging against Azure SQL Databases. No pattern to what type of query causes it. Sometimes happens just when trying to expand Ob ...

Azure SQL Database is running transparently hundreds of thousands of databases at many different compatibility levels, preserving and guaranteeing the backward compatibility to the corresponding ...

In SQL Server 2022, Query Store is enabled by default to help database administrators (DBAs) gain insights on query plan choice and performance impact.

Nile extends the query processor engine of an object-relational database management system, PREDATOR, to process continuous queries over data streams. Nile supports extended SQL operators that handle ...