HarvardX: CS50's Introduction to Databases with SQL

An introduction to databases using a language called SQL.

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Course Insight

Suitable for beginner learners. This course serves as an entry point into Business & Management, building foundational knowledge before moving on to advanced frameworks or specialized paths.

Beginner FriendlySelf-Paced LearningHands-On Learning

SKILLS TO
MASTER

Business & Management Basics
Fundamental principles and concepts
Practical ApplicationTrending
Real-world project implementation
Best Practices
Industry standard workflows and guidelines
Problem Solving
Core Concepts
Implementation
Workflow Integration
Optimization
Careers:Backend Developer, Software Engineer, API Developer.

Quick Facts

Below sections are verified from last major sync. For real-time updates and today's latest lectures, Check official page here.

What You’ll Learn

This is CS50's introduction to databases using a language called SQL. Learn how to create, read, update, and delete data with relational databases, which store data in rows and columns. Learn how to model real-world entities and relationships among them using tables with appropriate types, triggers, and constraints. Learn how to normalize data to eliminate redundancies and reduce potential for errors. Learn how to join tables together using primary and foreign keys. 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.

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Outcomes

  • CREATE TABLE.
  • SELECT.
  • INSERT.
  • UPDATE.
  • DELETE.
  • DROP.
  • CREATE INDEX.
  • CREATE VIEW.
  • SQLite, PostgreSQL, MySQL.
  • connectors (Python, Java).
  • replication.
See side-by-side differences in learning outcomes

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HarvardX: CS50's Introduction to Databases with SQL
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