This is CS50 SQL 2023, an older version of the course. See cs50.harvard.edu/sql/2024 for the latest!

CS50’s Introduction to Databases with SQL

OpenCourseWare

Carter Zenke
carter@cs50.harvard.edu
GitHub LinkedIn

David J. Malan
malan@harvard.edu
Facebook GitHub Instagram LinkedIn Reddit Threads Twitter

CS50x Puzzle Day 2025new
Zoom Meetings

CS50.ai
Ed Discussion for Q&A
Visual Studio Code

Querying
Relating
Designing
Writing
Viewing
Optimizing
Scaling

Final Project

Academic Honesty
CS50 Certificate
FAQs
Gradebook
Staff

Apple TV
edX
Google TV
Harvard Extension School
Harvard Summer School
YouTube

Status Page

Communities
Bluesky
Clubhouse
Discord Q&A
Ed Q&A
Facebook Group Q&A
Facebook Page
GitHub
Gitter Q&A
Instagram
LinkedIn Group
LinkedIn Page
Medium
Quora
Reddit Q&A
Slack Q&A
Snapchat
SoundCloud
Stack Exchange Q&A
Telegram
TikTok
Threads
Twitter Account
Twitter Community
YouTube

Courses
CS50x
CS50 AI
CS50 Business
CS50 Cybersecurity
CS50 for Lawyers
CS50 Python
CS50 R
CS50 Scratch
CS50 SQL
CS50 Web

Weeks

Querying
Relating
Designing
Writing
Viewing
Optimizing
Scaling