
Master string functions in MySQL, including upper, lower, left, right, length, trim, concat, and substring, with practical examples using customers data.
Explore date and time functions in MySQL, including current date, time, and timestamp, and learn to extract parts, compute differences, add intervals, and format dates for display.
Learn how check constraints enforce conditions such as amount must be at least ₹100, and how default constraints set salary to ₹25,000 when not provided, with orders and employees examples.
Master subqueries in MySQL, including scalar subqueries inside where clauses, by using inner and outer queries on a movies table with max and avg to compute top scores and profits.
Explore table subquery and how inner queries return a table for an outer query to filter data. See how department salary comparisons and most profitable movies by year are derived.
Welcome to “Mastering MySQL: From Beginner to Advanced”, your complete, hands-on journey into the world of databases and SQL. Whether you are a beginner exploring databases, a developer upgrading your SQL skills, or a data analyst working with complex datasets, this course will help you master MySQL step by step — from the absolute basics to professional-level expertise.
MySQL is the most popular open-source database used by global tech giants such as Facebook, Netflix, YouTube, and Twitter. It powers millions of applications and websites, making it one of the most essential tools for developers, data analysts, and software engineers.
In this course, you’ll learn everything from database design to query optimization through practical, real-world examples. You’ll start with understanding tables, schemas, and relationships, then move on to writing SQL commands, joining multiple tables, creating stored procedures, handling transactions, and optimizing performance.
What makes this course unique is its hands-on approach — every topic is taught with live demonstrations and exercises. You’ll build and manage a complete database project from scratch, troubleshoot performance issues.
By the end of this course, you’ll have the confidence and skill to design, build, query, and optimize databases like a professional — ready for interviews, real-world projects, and career growth in the data-driven world.