A new reinforcement learning optimizer called LIGHT uses dynamic graph attention and logarithmic reward shaping to cut query ...

“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 ...

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 ...

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 ...

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 ...

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 ...

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 ...