您可以
UPDATe与
JOIN荷兰国际集团的两个表：
UPDATE Orders o INNER JOIN( SELECT order_id, SUM(qt * unit_price) 'sumu' FROM items GROUP BY order_id) i ON o.id = i.order_idSET o.total_price = i.sumu[WHERe predicate]
您可以
UPDATe与
JOIN荷兰国际集团的两个表：
UPDATE Orders o INNER JOIN( SELECT order_id, SUM(qt * unit_price) 'sumu' FROM items GROUP BY order_id) i ON o.id = i.order_idSET o.total_price = i.sumu[WHERe predicate]
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