Query optimization lies at the heart of modern database management systems, striving to identify the most efficient access and execution plan for a given declarative query. Traditional optimisers ...

Query optimisation in distributed database systems addresses the challenge of selecting an efficient execution plan across multiple networked nodes. Owing to the combinatorial explosion of possible ...

If you're seeking to optimize your SQL queries and make the most of your database, this fundamental guide is an excellent resource. You'll learn the essential techniques to enhance database ...

“SQL on everything” is the tagline associated with Presto, the query engine that was initially developed by Facebook to rapidly analyze massive amounts of data — particularly data that lay scattered ...

In part 1 of my SQL Server 2022 features series, you learned about the improvements to the cardinality estimator component of query optimization. In this installment, you will learn about another ...

Continously growing usage of XML (eXtensible Markup Language) data demands for development of powerful query optimization systems. Optimization approaches for XML databases depend on database type.

Database administrators and developers converged on Seattle for this week's annual Professional Association for SQL Server (PASS) conference, where Microsoft is ...

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 ...