Ответ: Phantom reads — это явление, при котором транзакция читает данные, которые были
В отличие от других аномалий, таких как dirty reads или non-repeatable reads, phantom reads возникают, когда результаты запроса изменяются в
Для предотвращения phantom reads используется уровень изоляции
BY Библиотека собеса по Java | вопросы с собеседований
To pay the bills, Mr. Durov is issuing investors $1 billion to $1.5 billion of company debt, with the promise of discounted equity if the company eventually goes public, the people briefed on the plans said. He has also announced plans to start selling ads in public Telegram channels as soon as later this year, as well as offering other premium services for businesses and users.
Telegram is a free app and runs on donations. According to a blog on the telegram: We believe in fast and secure messaging that is also 100% free. Pavel Durov, who shares our vision, supplied Telegram with a generous donation, so we have quite enough money for the time being. If Telegram runs out, we will introduce non-essential paid options to support the infrastructure and finance developer salaries. But making profits will never be an end-goal for Telegram.
Библиотека собеса по Java | вопросы с собеседований from pl