| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Books > Computing & Internet > Databases > Data Storage & Management > Database Management Systems | 18,652 | 75,575 | £689 | |
100% | 20% | 20% | 0% | ~ 10,000 |
| Books > Computing & Internet > Databases > Data Storage & Management > Data Mining | 968 | 89,302 | £798 | |
95% | 5% | 0% | 3% | ~ 5,000 |
| Books > Computing & Internet > Databases > Data Storage & Management > Data Warehousing | 29,409 | 164,728 | £724 | |
100% | 5% | 15% | 0% | ~ 4,000 |
| Books > Computing & Internet > Software & Graphics > Business & Home Office > Word Processing | 59,725 | 228,154 | £355 | |
100% | 10% | 55% | 13% | ~ 5,000 |
| Books > Arts & Photography > Photography & Video > Techniques & Tools > Darkroom & Processing | 10,992 | 387,125 | £338 | |
95% | 10% | 35% | 7% | ~ 430 |
| Books > Computing & Internet > Databases > Data Storage & Management | 23 | 4,876,825 | £554 | |
80% | 10% | 10% | 8% | ~ 20,000 |
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