Video on Relational Databases Master SQL Databases with MS Access: A Step-by-Step Tutorial -https://youtu.be/0Qg6-kxQbyQ Learn Sql Databases using MS Access – An end-to-end project covers Referential Integrity, SQL & more https://youtu.be/0Qg6-kxQbyQ Video on Table Join SQL for Data Analysis: Selecting & Joining Data from Multiple Tables! https://youtu.be/fXsQvTc62FU Description: Want to take your SQL skills to the next level? In this video, we dive into SQL subqueries—powerful queries nested within other queries that help you filter records, aggregate data, and perform complex calculations dynamically. Learn how subqueries work, their benefits, and real-world use cases to improve your database operations.