Latest 20 User Orders
The account page often shows the latest 20 rows from orders for one user_id, starting with the newest created_at. Add an index on user_id and created_at in newest-first order.
Speed this query up with an index
CREATE INDEX ix_orders_user_created ON orders (user_id, created_at DESC)
Само CREATE/ALTER/DROP — без нужда от завършващ SELECT.
Влез, за да видиш историята на решенията
ВходВлез, за да използваш ИИ ментора
Вход