关于MySQL Join的逻辑

时间:2018-12-23 16:30:06

标签: mysql

我想澄清有关MySQL Join的逻辑。在代码中,前两个(订单和客户)先执行Join,然后结果和最后一个(Shippers)操作Join是真的吗?

SELECT Orders.OrderID, Customers.CustomerName, Shippers.ShipperName
FROM Orders
INNER JOIN Customers ON Orders.CustomerID = Customers.CustomerID
INNER JOIN Shippers ON Orders.ShipperID = Shippers.ShipperID

0 个答案:

没有答案