我有关于标题
的问题示例:
A B C D
-------------------
1000 35 M 15
1001 43 M 14
1002 24 F 16
我们称之为main_table
。我想将标题标题定义为:
EmployeeID Age Sex Hour_Rate
------------------------------
1000 35 M 15
1001 43 M 14
1002 24 F 16
因此,我需要创建一些内容来将标题代码定义为可读文本。
A = EmployeeID
B = Age
C = Sex
D = Hour_Rate
我该怎么做?
答案 0 :(得分:2)
您可以使用简单的别名:
select A as EmployeeID,
B as Age,
C as Sex,
D as HourRate
from main_table
为了让生活更轻松,您可以为此创建一个视图:
create view vwMain_table as
select A as EmployeeID,
B as Age,
C as Sex,
D as HourRate
from main_table
现在当你做
select * from vwMain_table
你会得到这个:
EmployeeID Age Sex Hour_Rate
1000 35 M 15
1001 43 M 14
1002 24 F 16