如何连接 SELECT * 查询的结果?
我可以使用它来选择全部,然后创建一个附加的串联属性,但我不知道如何单独串联返回的属性。
SELECT *, CONCAT(Cust_FName, ' ', Cust_LName) AS Cust_Name
FROM Customer_Information AS Customers
产品:
Cust_ID, Cust_FName, Cust_LName, Cust_Name
但我想使用 SELECT all 并获取:
Cust_ID, Cust_Name
最佳答案
如果您想要的输出是
Cust_ID, Cust_Name
那么以下应该可以工作
SELECT Cust_ID, CONCAT(Cust_FName, ' ', Cust_LName) AS Cust_Name
FROM Customer_Information AS Customers;
编辑:
有趣的嵌套 SELECT
SELECT Cust_ID, CONCAT(Cust_FName, ' ', Cust_LName) AS Cust_Name
FROM (SELECT * FROM Customer_Information AS Customers);
关于mysql - 连接 SELECT * 结果,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38962056/