SELECT customer.id, customer.subscribe_status, manager.name AS manager_name, customer_subscribe.valid_until, customer.second_name, customer.name, customer.email,

Question

SELECT customer.id, customer.subscribe_status, manager.name AS manager_name, customer_subscribe.valid_until, customer.second_name, customer.name, customer.email,

customer.phone, customer.created_at FROM customer LEFT JOIN manager ON customer.manager_id = manager.id LEFT JOIN customer_subscribe ON customer_subscribe.customer_id = customer.id ORDER BY id DESC LIMIT 20, народ у меня этот запрос на сервере выполняется 7 секунд надо 4 что делать?

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04.08.2021