Courses in SQL
Level up your SQL knowledge and learn to join tables together, apply relational set theory, and work with subqueries.
Learn how to explore what's available in a database: the tables, relationships between them, and data stored in them.
Accompanied at every step with hands-on practice queries, this course teaches you everything you need to know to analyze data using your own SQL code today!
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10 Portfolio-Ready SQL Projects for All Levels
Select your first—or next—SQL project to practice your current SQL skills, develop new ones, and create an outstanding professional portfolio.
SQL vs NoSQL Databases: Key Differences and Practical Insights
Discover how to decide between SQL and NoSQL databases in data science and application development. Learn their strengths, use cases, and industry applications.
MySQL Basics Cheat Sheet
With this MySQL basics cheat sheet, you'll have a handy reference guide to basic querying tables, filtering data, and aggregating data
PostgreSQL Basics Cheat Sheet
With this PostgreSQL cheat sheet, you'll have a handy reference guide to basic querying tables, filtering data, and aggregating data
MySQL Tutorial: A Comprehensive Guide for Beginners
Discover what MySQL is and how to get started in one of the most popular database management systems.
Javier Canales Luna
SQL Server Tutorial: Unlock the Power of Data Management
Explore data management with our SQL Server Tutorial. From basics to advanced usage, enhance your skills and navigate SQL Server with confidence.