Rare Cancelled Orders
Support often searches for cancelled orders, and rows with status = 'cancelled' are rare. Create a compact partial index on status that stores only those rows from orders.
Speed this query up with an index
SELECT * FROM orders WHERE status = 'cancelled'
Díreach CREATE/ALTER/DROP — ní gá SELECT ina dhiaidh sin.
Logáil isteach chun stair na n-aighneachtaí a fheiceáil
Logáil isteachLogáil isteach chun an Meantóir IS a úsáid
Logáil isteach