High-Performance SQL - Online Edition

Get the most out of your relational database system

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The High-Performance SQL training is aimed to level up your SQL skills with techniques such as Lateral Join, Recursive CTE queries, Semi Joins, Derived Tables, JSON processing, and many other database querying features supported by Oracle, MySQL, PostgreSQL, and SQL Server.


Created By


Vlad Mihalcea
Vlad Mihalcea

Vlad Mihalcea is a Java Champion and one of the top Hibernate ORM project committers. He created the Hypersistence Optimizer tool, which scans your application configuration and mappings and tells you what changes you need to make to speed up your data access layer.

He's been answering thousands of questions about Hibernate and JPA on StackOverflow for which he's got gold badges for Hibernate, Java, and JPA tags.

Whenever he finds something interesting, he likes to share it on his personal blog. He believes in Open Source Software, and he thinks every developer should get involved, one way or the other.

If he doesn't find a suitable tool for a job, he takes the initiative and starts a new open-source project, like Hypersistence Utils or FlexyPool.


Course Curriculum


  High-Performance SQL
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Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 14 days, and we will give you a full refund.