SQL задачи@sqlquestions P.1179

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SQL задачи@sqlquestions P.1179

SQLQUESTIONS Telegram 1179

SQL задачи

Как можно заранее узнать, какие записи будут удалены при выполнении DELETE?

Anonymous Quiz

Зачем заранее? Просто вызвать его и посмотреть, какие записи пропали

Заменить DELETE на SELECT *, ведь в остальном синтаксис DELETE похож на синтаксис простого SELECT

Сделать DELETE с LIMIT 1: одну запись не жалко

SQL создан для хранения данных, их нельзя удалять

Узнать ответ

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Create: 2024-03-20
Last Update: 2025-06-30 01:11:53

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