Skip to content

Map Search My cards Pricing

Make it comfy

Lesson style

Quick mode shows the key picture, a summary and the practice. Good for a refresher.

Theme

Font

Both fonts are designed to be easy to read. Some readers with dyslexia prefer Lexend.

Text size

Spacing

Animations

Map Search My cards Pricing

Map › Level 5: Big Systems

F22

Databases

“A librarian who never loses a book”

Lessons

Being drawn right now ✏️

Lessons for this course are being written. Everything in Foundations will be free, forever.

Back to the map

What you’ll learn

relational model, SQL, design/normalization, B+ trees, query optimization, transactions, recovery, NoSQL

🔨 Boss level project

Mini database with a B+ tree index

📚 Recommended books

Ramakrishnan & Gehrke
Silberschatz, Database System Concepts
Red Book (free)

Optional. Every lesson here stands on its own.

← F21 Computer Networks F23 Compilers →

Crayon CS

Everything a CS degree teaches, explained like you’re 5.

How we built the curriculum Terms Privacy Accessibility

Crayon CS is an independent learning site. It is not an accredited institution, does not award degrees, and is not affiliated with or endorsed by any university.