SQL для тестировщика@sql_for_qa P.920

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SQL для тестировщика@sql_for_qa P.920

SQL_FOR_QA Telegram 920

SQL для тестировщика

Как MySQL обрабатывает индексы при использовании функции GENERATED ALWAYS AS (expression) в виртуальных столбцах?

Anonymous Quiz

Индексы на виртуальные столбцы невозможны

Можно создавать индексы только на STORED виртуальных столбцах

Индексы создаются автоматически на все виртуальные столбцы

Индексы создаются только при использовании PERSISTENT

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