All 88 categories
Databases — Kindle Category Opportunity
Competition snapshot for the Computers & Technology best-seller list, vacancy score 52.0/100.
Middle
Category metrics
Score
52.0
Median reviews
91.5
Weak share (top 20)
40%
Median price
$14.60
Median star rating
4.6
Books scanned
50
Worth writing in?
Databases is between the extremes: 40% of the top 20 is under 100 reviews against a median of 91.5, so entry depends on the specific sub-genre and your launch strength. Read the breakout books below before judging. Vacancy score 52.0/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 12 | SQL for Beginners: Learn Databases, Queries, Joins, Tables, Data Analysis, and Real-World SQL Skills Step by Step (Computer Programming Made Easy Book 14) | — | 0 | $0.99 |
| 9 | Microsoft Access Beginner Level 1: Bonus Edition: The Beginner's Guide to Microsoft Access Database Design - Bonus Offer Included | 5.0 | 1 | $2.99 |
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Research snapshot scanned on Oct 10, 2026. Refreshed periodically — not live tracking.