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SQL (Languages & Tools, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for SQL (Languages & Tools, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 2 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).

25Opportunity / 100
$9.99Median price
2Median reviews
Price range (middle 50%)$4.99 – $22.05
Average rating4.5
New releases (90 days)18%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 15% of the parent category Languages & Tools (14), one of the easier corners under it.
  • Its review barrier is lower than in 95% of Kindle eBooks categories: the median best seller has only 2 reviews, so new books can chart with few.
  • 18% of its best sellers came out in the last 90 days, more than in 83% of Kindle eBooks categories: readers here keep buying new titles.

Top 10 SQL best sellers

  1. DATA ANALYST FOR BEGINNERS:: Master SQL, Python, Statistics, Visualization & the Real Anal book cover by HK NAGARAJ

    DATA ANALYST FOR BEGINNERS:: Master SQL, Python, Statistics, Visualization & the Real Analyst Workflow

    by HK NAGARAJ

    • List rank#1
    • Price$2.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  2. SQL Practice Workbook for Beginners 300+ Queries, Exercises & Challenges with Step-by-Step book cover by K.S. RATHORE

    SQL Practice Workbook for Beginners 300+ Queries, Exercises & Challenges with Step-by-Step Solutions: Learn SQL Through Hands-On Query Practice, Logic ... Solving (Programming Workbook Series)

    by K.S. RATHORE

    • List rank#2
    • Price$2.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Master SQL in 15 Days: The Friendly, No-Nonsense Guide to Databases and Queries book cover by Richard Gabela

    Master SQL in 15 Days: The Friendly, No-Nonsense Guide to Databases and Queries

    by Richard Gabela

    • List rank#3
    • Price$2.99
    • Rating4.7
    • Reviews10

    View on Amazon · Full data on KDPTop

  4. Advanced SQL Mastery: Build High-Performance Queries, Optimize Databases, Use Window Funct book cover by Ryan J. Mercer

    Advanced SQL Mastery: Build High-Performance Queries, Optimize Databases, Use Window Functions, CTEs, Stored Procedures, Indexes, Views, and Real-World ... (Computer Programming Made Easy Book 17)

    by Ryan J. Mercer

    • List rank#4
    • Price$0.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. PHP & MYSQL MASTERY: From Beginner to Advanced The Complete 2026 Guide to Modern PHP 8, Da book cover by S Hussain

    PHP & MYSQL MASTERY: From Beginner to Advanced The Complete 2026 Guide to Modern PHP 8, Database Design, and Real-World Web Development

    by S Hussain

    • List rank#5
    • Price$0.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. SQL in 10 Minutes a Day, Sams Teach Yourself book cover by Ben Forta

    SQL in 10 Minutes a Day, Sams Teach Yourself

    by Ben Forta

    • List rank#6
    • Price$15.65
    • Rating4.7
    • Reviews574

    View on Amazon · Full data on KDPTop

  7. Python Programming From Beginner to Expert Level: The Step-by-Step Guide to Learn Python f book cover by Alexander Fins

    Python Programming From Beginner to Expert Level: The Step-by-Step Guide to Learn Python from Scratch, Build Real-World Projects and Develop Practical Skills for Career Growth, No Experience Required

    by Alexander Fins

    • List rank#7
    • Price$19.99
    • Rating4.5
    • Reviews43

    View on Amazon · Full data on KDPTop

  8. Practical SQL, 2nd Edition: A Beginner's Guide to Storytelling with Data book cover by Anthony DeBarros

    Practical SQL, 2nd Edition: A Beginner's Guide to Storytelling with Data

    by Anthony DeBarros

    • List rank#8
    • Price$23.99
    • Rating4.7
    • Reviews306

    View on Amazon · Full data on KDPTop

  9. SQLite for Beginners: Build Lightweight Databases for Python, Mobile, and Desktop Projects book cover by Thom Haagenrud

    SQLite for Beginners: Build Lightweight Databases for Python, Mobile, and Desktop Projects

    by Thom Haagenrud

    • List rank#9
    • Price$2.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  10. Python and SQLAlchemy: : A Hands-On Introduction to Database Mastery (The CodeCraft Series book cover by Mike J. Maxwell

    Python and SQLAlchemy: : A Hands-On Introduction to Database Mastery (The CodeCraft Series)

    by Mike J. Maxwell

    • List rank#10
    • Price$7.49
    • Rating5.0
    • Reviews3

    View on Amazon · Full data on KDPTop

FAQ

Is SQL a good niche for Amazon KDP?

Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 2 reviews and sells for $9.99.

How many reviews do you need to rank in SQL?

The median best seller has 2 reviews, and 81% of them have fewer than 100.

What do SQL best sellers cost?

The median price is $9.99; half of the best sellers are priced between $4.99 and $22.05.

Can new books break into SQL?

18% 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.