KDP categories · Top KDP authors
SQL (Databases & Big Data, Books): Amazon KDP category data
Amazon Books Best Sellers data for SQL (Databases & Big Data, Books), updated Nov 2, 2026: median price $33.56, median 30 reviews, average rating 4.5 and a KDPTop opportunity score of 31/100 (highly competitive).
| Price range (middle 50%) | $20 – $42.19 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 11% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 13% of the parent category Databases & Big Data (233), one of the easier corners under it.
- At $33.56 its median price beats 91% of Books categories, leaving more margin per copy.
Top 10 SQL best sellers
-
SQL Programming: a QuickStudy Laminated Reference Guide
by Robin Nixon
- List rank#1
- Price$7.41
- Rating4.6
- Reviews2,190
-
SQL QuickStart Guide: The Simplified Beginner's Guide to Managing, Analyzing, and Manipulating Data With SQL (Coding & Programming - QuickStart Guides)
by Walter Shields
- List rank#2
- Price$19.36
- Rating4.6
- Reviews1,867
-
Practical SQL, 2nd Edition: A Beginner's Guide to Storytelling with Data
by Anthony DeBarros
- List rank#3
- Price$19.99
- Rating4.7
- Reviews306
-
SQL All-in-One For Dummies (For Dummies (Computer/Tech))
by Allen G. Taylor
- List rank#4
- Price$22.90
- Rating4.6
- Reviews88
-
Learning SQL: Generate, Manipulate, and Retrieve Data
by Alan Beaulieu
- List rank#5
- Price$33.56
- Rating4.6
- Reviews609
-
Python Programming From Beginner to Expert Level: Hands-On Projects, Step-by-Step, Flask+SQLite & REST APIs, Testing/Debugging. With Exercises & Solutions to Finish What You Start.
by Alexander Fins
- List rank#6
- Price$21.99
- Rating4.5
- Reviews43
-
SQL: Learn SQL (using MySQL) in One Day and Learn It Well. SQL for Beginners with Hands-on Project. (Learn Coding Fast with Hands-On Project Book 5)
- List rank#7
- Price$3.99
- Rating4.5
- Reviews535
-
SQL in 10 Minutes, Sams Teach Yourself
by Ben Forta
- List rank#8
- Price$30.87
- Rating4.6
- Reviews1,123
-
SQL Pocket Guide: A Guide to SQL Usage
by Alice Zhao
- List rank#9
- Price$21.34
- Rating4.8
- Reviews261
-
Aprende Python desde cero hasta avanzado - El libro completo de la programacion python para principiantes: Con ejercicios prácticos y contenido bonus (Spanish Edition)
by Xavier Reyes Ochoa
- List rank#10
- Price$11.99
- Rating4.4
- Reviews160
FAQ
Is SQL a good niche for Amazon KDP?
Its KDPTop opportunity score is 31/100, which makes it highly competitive. The median best seller has 30 reviews and sells for $33.56.
How many reviews do you need to rank in SQL?
The median best seller has 30 reviews, and 68% of them have fewer than 100.
What do SQL best sellers cost?
The median price is $33.56; half of the best sellers are priced between $20 and $42.19.
Can new books break into SQL?
11% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.