The Book

Hello and welcome to the Database Internals book club! Below are relevant details of the club and also guiding notes to help you as you read through the book.

Book: https://www.databass.dev/

Author: Alex Petrov

Meeting: Every 2 weeks starting on 14 January 2026

Place: The Commons

Active Recall Questions

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Answer these as you read the chapter, and come to the meeting with additional questions and thoughts

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Chapter 01

1. Framing & First Principles

1. Before discussing any data structures, what problem is Chapter 1 trying to solve?
2. Why is it dangerous to learn database internals without first clarifying terminology?
3. What kinds of incorrect assumptions do engineers commonly make when they skip this framing?

2. Classification & Workload Shape