Improving OLTP and OLAP part 1 of 3: Lazy loading (Java) HD

In this video, Alejandro Duarte shows how to improve the performance of Online Transaction Processing (OLTP) and Online Analytical Processing (OLAP) systems implemented in Java using Vaadin Flow, Spring Boot, and MariaDB. In this part, Alejandro covers Lazy Loading to avoid loading more data than necessary in web applications. 00:00 Intro 01:05 Explaining the example application 02:02 Understanding the problem to solve 04:26 Fixing the backend 05:44 Fixing the Grid 08:07 Testing the solution 09:36 Outro Links: Follow Alejandro on Twitter: https://twitter.com/alejandro_du​ The example application from scratch: https://www.youtube.com/watch?v=nXHKSN5kccg Part 2 (fast filtering): https://www.youtube.com/watch?v=luCuFW5un1Y Part 3 (fast analytics): https://www.youtube.com/watch?v=jUh76MNdhfI Source code: https://github.com/alejandro-du/vaadin-and-mariadb Create a new Vaadin project: https://start.vaadin.com More about Vaadin Flow (Java): https://vaadin.com/flow