| Позиция | Домен | URL | Title | Школа |
|---|---|---|---|---|
| 1 | vk.com | https://vk.com/wall-54530371_247317 | — | |
| 2 | vk.com | https://vk.com/wall-80984752_16346 | — | |
| 3 | github.com | https://github.com/varungupte/DATABASE/blob/master/Molina%2CUllman%20-%20Database%20Systems%20The%20Complete%20Book.pdf | DATABASE/Molina, Ullman - Database Systems The Complete... | — |
| 4 | archive.org | https://archive.org/details/databasesystemsc0000garc_f2q7 | Database systems : the complete book... : Internet Archive | — |
| 5 | djvu.online | https://djvu.online/file/WUTyQnUI8qhKb | — | |
| 6 | libcats.org | https://libcats.org/book/652378 | — | |
| 7 | openbooks.itmo.ru | https://openbooks.itmo.ru/ru/lib_book/8127/8127.pdf | Книга | itmo.ru |
| 8 | csd.uoc.gr | https://www.csd.uoc.gr/~hy460/pdf/000.pdf | Database System | — |
| 9 | vk.com | https://vk.com/proglib/databases | Записи по тегу #databases | Библиотека программиста | ВКонтакте | — |
| 10 | wildberries.ru | https://www.wildberries.ru/catalog/42782913/detail.aspx | — |