Here's the high-quality recording of yesterday's live Office Hours session, held by Professor David J. Malan, Carter Zenke and Charlie Liu at the Harvard Stadium 🏈 For the lower-quality recording, check out our Instagram.

This is CS50's Introduction to Databases with SQL, with CS50's own Carter Zenke. Learn how to automate searches with views and expedite searches with indexes. Learn how to connect SQL with other languages like Python and Java. Course begins with SQLite for portability’s sake and ends with introductions to PostgreSQL and MySQL for scalability’s sake as well. Assignments inspired by real-world datasets.

Available for credit at Harvard Extension School starting September 5, 2023, at https://web.dce.harvard.edu/extension/csci/e/151. Available on edX starting October 1, 2023, at https://cs50.edx.org/sql.

This is CS50's Introduction to Cybersecurity, with Professor David J. Malan. Learn to recognize cybersecurity as a trade-off with usability itself. Course presents both high-level and low-level examples of threats, providing students with all they need to know technically to understand both. Assignments inspired by real-world events.

Available for credit at Harvard Extension School starting September 5, 2023, at https://web.dce.harvard.edu/extension/csci/e/159. Available on edX starting October 1, 2023, at https://cs50.edx.org/cybersecurity.

🐤 Hello, world! We are pleased to present you the location where our next Instagram Office Hours live stream will take place.

📍Radcliffe Yard, Cambridge.
 
Historically, Radcliffe College, founded in the 1870s, was the roundabout way for women to enter the otherwise male-only Harvard College. Today, the Radcliffe Yard still is home to Harvard's admissions offices.

Join the live stream tomorrow at 1 p.m. EST. 🌐

Here's the recording of today's Office Hours session!