TG: sql_for_qa/499

SQL для тестировщика

Для чего SAVEPOINT в SQL?

Anonymous Quiz

для создания промежуточных точек в транзакции, к которым можно откатиться

для создания резервных копий базы данных.

для уточнения внешних ключей в таблице.

для принудительной активации триггеров в таблице.

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