
This course includes our updated coding exercises so you can practice your skills as you learn.
See a demo
Master SQL fundamentals through 100 progressively challenging coding exercises, building a solid foundation, practical experience, and the confidence to tackle real-world data problems with relational databases.
Explore the fundamentals of databases and learn to write advanced SQL queries, including subqueries to fetch students with GPA above average, while contrasting relational and non-relational databases.
Learn to write a sql query using select from the books table to retrieve the names of all authors.
Write SQL queries to filter data by conditions and retrieve the titles and prices of books priced over $13 from the books table, using the select from where syntax.
Learn to write an SQL query that retrieves book titles and authors from the books table where the author's name starts with J using the like pattern.
Explore advanced sql queries using a subquery to retrieve students' first name, last name, major, and gpa who exceed the average gpa.
Master Microsoft SQL Through Practice—From Beginner to Confident Problem Solver
No software or installations required. Learn SQL entirely through your browser with interactive, hands-on exercises designed to build real-world skills. This course combines clear explanations with 100+ practical coding challenges, ensuring you gain confidence in writing efficient and accurate queries—whether you're starting from scratch or refining your expertise.
Why Choose This Course?
Learn by Doing – Move beyond theory with exercises modeled after real database tasks. Every concept is reinforced through immediate practice.
No Setup Needed – Start coding right away in a streamlined online environment. Focus on learning SQL without dealing with installations or configurations.
Structured Progression – Begin with foundational commands like SELECT, JOIN, and GROUP BY, then advance to complex topics such as window functions, CTEs, and stored procedures.
Industry-Relevant Skills – Ideal for aspiring data analysts, developers, or anyone working with data. SQL is a critical skill for data-driven roles.
Detailed Solutions & Explanations – Understand not just the "how" but the "why" behind each query, with in-depth walkthroughs for every exercise.
What You’ll Learn
Core Queries: SELECT, WHERE, ORDER BY, GROUP BY, HAVING, and aggregations (COUNT, SUM, AVG).
Table Relationships: INNER JOIN, LEFT/RIGHT JOIN, FULL JOIN, and self-joins.
Data Modification: INSERT, UPDATE, DELETE, and transactions (COMMIT, ROLLBACK).
Advanced Techniques: Subqueries, CTEs (Common Table Expressions), window functions (ROW_NUMBER, RANK), and stored procedures.
Optimization: Indexing, query performance basics, and error handling.
What You’ll Achieve
By the end of this course, you will:
Write precise and optimized SQL queries for data retrieval and manipulation.
Confidently use joins, subqueries, and aggregations to solve business problems.
Design efficient database operations with transactions, stored procedures, and advanced functions.
Be prepared to handle real-world data tasks—whether for work, interviews, or personal projects.
Who Is This For?
Beginners – No prior SQL experience required. We start with the fundamentals.
Career Advancers – Strengthen your technical resume with in-demand database skills.
Professionals – Sharpen your SQL for data analysis, reporting, or backend development.
Enroll now and build your SQL expertise through practical, no-fluff exercises—all without leaving your browser.