MYSQL38题解

针对actor表创建视图actor_name_view

http://www.nowcoder.com/questionTerminal/b9db784b5e3d488cbd30bd78fdb2a862

*两种写法

方案1:列的别名在select子句中定义

CREATE VIEW actor_name_view
AS
SELECT first_name AS first_name_v,last_name AS last_name_v FROM actor;

方案2:列的别名在视图语句中定义

CREATE VIEW actor_name_view(first_name_v,last_name_v)
AS
SELECT first_name,last_name FROM actor;
全部评论
兄弟 方案一这里CREATE VIEW actor_name_view AS 为什么要加 AS 连接 SELECT first_name,last_name FROM actor;
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发布于 2021-05-22 15:37

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