Question

所以我创建了一个视图，并希望用新名称显示视图的新列，例如：

CREATE VIEW monthly_view AS
(SELECT co.object_id, co.object_alias, cm.method_alias, dr.data_value,
           cd.data_uom, dr.date_timestamp, dr.delay_value, dr.delay_pct
FROM data_realtime AS dr
JOIN chroniker_object AS co ON co.object_id=dr.object_id
JOIN chroniker_data AS cd ON cd.data_id=dr.data_id
JOIN chroniker_method AS cm ON cm.method_id=co.method_id)

我想要的是每当显示“monthly_view”时，“co.object_id”可以显示为“对象”。

由于

Answer 1

您可以使用别名：

CREATE VIEW monthly_view AS
SELECT co.object_id AS Object,
       co.object_alias AS ...,
       cm.method_alias AS ...,
       ...
FROM
       ...

Answer 2

select co.object_id AS object, ....

Answer 3

您是否尝试过在select语句中提供别名？

CREATE VIEW monthly_view AS
(SELECT co.object_id AS Object, 
        co.object_alias AS ObjectAlias, 
        ....
FROM data_realtime AS dr
JOIN chroniker_object AS co ON co.object_id=dr.object_id
JOIN chroniker_data AS cd ON cd.data_id=dr.data_id
JOIN chroniker_method AS cm ON cm.method_id=co.method_id)

如何更改mysql中新创建的VIEW中的属性？

3 个答案: