SQL Server, Azure SQL Database, Amazon RDS & AWS, Oracle and IBM Help
An online community of DBAs, developers and data intelligence builders, with videos, articles, resources and online events for members and non-members.
Find out more >>
(Tibor Korocz) In MySQL 8.0.18 there is a new feature called Hash Joins, and I wanted to see how it works and in which situations it can help us. Here you can find a nice detailed explanation about how it works under the hood.