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How Data Works

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The complete edition runs to 792 pages. It is also published as 8 volumes, so you can take only the part you need. Free, no sign-up.

Download practice-code.zip · Read the practice guide

The 8 volumes

Or take one volume at a time

Volume A

Meaning Before Machines

Chapters 1 to 6.

150 pages/1.24 MB
Download volume A
Volume B

From Records to Databases

Chapters 7 to 13.

204 pages/1.84 MB
Download volume B
Volume C

Finding Answers

Chapters 14 to 20.

135 pages/0.81 MB
Download volume C
Volume D

Correct Changes

Chapters 21 to 26.

118 pages/0.70 MB
Download volume D
Volume E

Storage and Recovery

Chapters 27 to 32.

114 pages/0.69 MB
Download volume E
Volume F

Data Across Machines

Chapters 33 to 39.

130 pages/0.77 MB
Download volume F
Volume G

From Records to Insight

Chapters 40 to 46.

130 pages/0.76 MB
Download volume G
Volume H

Running Data Systems

Chapters 47 to 52.

122 pages/0.72 MB
Download volume H

Chapter numbers are identical in every edition. A cross-reference to Chapter 24 means the same chapter whether you are reading the complete PDF, a single volume, or the web edition — so you can follow a reference without working out which file you are in.

Or just read it online

All 52 chapters are free to read in the browser, with search across the whole book.

Start at Chapter 1