[英]How Should I Combine These Two SQL queries into one?
尝试这个,
SELECT column_name(s)
FROM Customer
INNER JOIN Order
ON Customer.CustomerID= Order.Customer_ID AND <conditions>;
内连接只是连接 2 个表的一种方式。 您还可以使用WHERE
闭包连接这两个表,如下所示,
SELECT column_name(s)
FROM Customer c, Order o
WHERE c.CustomerID = o.Customer_ID AND <condition>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.