"AS"和"AS"之间有什么区别和"IS"在Oracle存储过程中? [英] What is the difference between "AS" and "IS" in an Oracle stored procedure?

问题描述

我看到Oracle过程有时用"AS"编写，有时用"IS"关键字编写.

I see Oracle procedures sometimes written with "AS", and sometimes with "IS" keyword.

CREATE OR REPLACE Procedure TESTUSER.KILLINSTANCE (INSTANCEID integer) **AS**
...

vs.

CREATE OR REPLACE Procedure TESTUSER.KILLINSTANCE (INSTANCEID integer) **IS**
...

两者之间有区别吗?

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显然，这两者之间没有功能上的区别，但是当SP是软件包的一部分时，有些人遵循约定使用"AS"，而当软件包不是SP时，则遵循"IS".或反过来.嗯.

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Apparently, there is no functional difference between the two, but some people follow a convention to use "AS" when the SP is part of a package and "IS" when it is not. Or the other way 'round. Meh.

推荐答案

没有问题.它们是提供的同义词，以使您的代码更具可读性:

None whatsover. They are synonyms supplied to make your code more readable:

功能f是...

创建视图与选择...

CREATE VIEW v AS SELECT ...

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