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Отношения один к одному, многие ко многим/одному в таблице

Что такое ОРМ
, в чем плюсы и минусы, что быстрее прямой запрос через SQL или ОRM, что именно используете в проекте если делали проект.

Truncate/Drop table
Truncate table удаляет только данные таблицы.
Drop table удаляет таблицу.

Constraints
Ограничения в таблице.



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DataBase

Отношения один к одному, многие ко многим/одному в таблице

Что такое ОРМ
, в чем плюсы и минусы, что быстрее прямой запрос через SQL или ОRM, что именно используете в проекте если делали проект.

Truncate/Drop table
Truncate table удаляет только данные таблицы.
Drop table удаляет таблицу.

Constraints
Ограничения в таблице.

BY Python. Собеседование. Книги.


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