SQL Fundamentals

A complete beginner-to-practitioner SQL course using PostgreSQL syntax (also valid in MySQL, SQLite, and BigQuery). Covers SELECT, filtering, sorting, aggregation, JOINs, subqueries, CTEs, built-in functions, window functions, and basic database design. No prior SQL or database experience required. Taught by Dr. Ian Wilkinson. Level: Beginner. Category: Data & AI. Enroll to access AI-powered lessons, quizzes, live instructor sessions, and a verifiable certificate.

CHORON LMS — The AI-Powered Learning Intelligence Platform

CHORON LMS is an AI-powered learning management system for instructors and students. Create AI-generated courses, quizzes, and videos, track learner progress, issue certificates, and run live cybersecurity labs — all from one platform built for scalable, engaging education.

Instructors can build courses in minutes with AI-generated lessons, quizzes, and grading rubrics, then publish them to a global learner marketplace. Students get a personal AI learning assistant, adaptive quizzes, progress tracking, and verifiable certificates and Open Badges for every skill they master. Organizations get enterprise features including single sign-on, custom branding, API access, and role-based access control across every course and cohort.