| Category name | Best seller rank | 50th book's rank | Median sales($) | Median price ($) | Volatility (%) | New releases (%) | Self pub.(%) | KDP Select (%) | Competition |
|---|---|---|---|---|---|---|---|---|---|
| Kindle eBooks > Computers & Technology > Databases | 41,961 | 245,662 | $671 | |
100% | 10% | 50% | 27% | ~ 6,000 |
| Kindle eBooks > Computers & Technology > Databases > Data Warehousing | 79,788 | 446,751 | $770 | |
100% | 20% | 30% | 30% | ~ 325 |
| Kindle eBooks > Computers & Technology > Databases > Database Management Systems | 48,181 | 578,635 | $223 | |
95% | 20% | 75% | 77% | ~ 200 |
| Kindle eBooks > Computers & Technology > Databases > Data Mining | 44,527 | 717,402 | $686 | |
100% | 5% | 30% | 23% | ~ 2,000 |
| Kindle eBooks > Computers & Technology > Databases > Servers | 57,855 | 1,039,101 | $279 | |
100% | 15% | 65% | 50% | ~ 266 |
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