“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 ...

Cloud database indexing improves query performance and helps backend teams build reliable systems that scale under production ...

IDERA has released SQL Query Store Optimizer, a new tool in its portfolio of database monitoring tools to help database administrators (DBAs) manage and troubleshoot SQL Query Stores. The free tool ...

This book aims to give you the tools and knowledge to get peak performance from your queries, how does it fare? The book, which is largely an update to the author’s Microsoft SQL Server 2014 Query ...

In AI search, query fan-out refers to the expansion of a single query into multiple related sub-queries before a response is generated. Query fan-out optimization becomes practical only when you can ...

A popular performance tuning book gets updated for SQL Server 2025, how does it fare? Ian Stirk takes and in depth look and finds it pretty good. This well-liked SQL Server book examines performance ...

David Rowley looks deeply into the improvements coming to the query planner in PostgreSQL 16. For a long time now, PostgreSQL has been able to remove a LEFT JOIN where no column from the left joined ...

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 ...