The best way to use SQL NOWAIT
Introduction In this article, we are going to see what is the best way to use the amazing SQL NOWAIT feature that allows us to avoid blocking when acquiring a row-level lock. Since all the top major database support this functionality, Hibernate offers a NOWAIT option that allows you to render the proper database-specific syntax associated with this feature without risking database portability.
How to implement a database job queue using SKIP LOCKED
Introduction In this article, we are going to see how we can implement a database job queue using SKIP LOCKED. I decided to write this article while answering this Stack Overflow question asked by Rafael Winterhalter. Since SKIP LOCKED is a lesser-known SQL feature, it’s a good opportunity to show you how to use it and why you should employ it, especially when implementing a job queue task.
