CS50x 2025 - Lecture 7 : Data and SQL

Data is power—and Lecture 7 of CS50x 2025 equips you to harness it. Join Professor Malan as he demystifies relational databases and introduces SQL, the Structured Query Language that drives data interaction in countless applications. Learn how to store, retrieve, and manipulate information efficiently using SQL commands and logical thinking.

🔹 Topics Covered:

• Relational databases and schemas

• SQL basics: SELECT, INSERT, UPDATE, DELETE

• Query filtering and joins

• Designing and normalizing tables

• Real-world database applications

🗃️ A must-listen for future data scientists, backend developers, and anyone fascinated by the logic behind modern apps.