此外,您不能更改全局变量定义,包括其默认值。
Furthermore, you cannot ALTER the global variable definition at all, including its default value.
它包含全局变量和函数的定义。
This includes the definition of global variables and functions.
创建全局变量之后,将其定义保存在编目中,并且任何会话都可以使用它们。
Once global variables are created, their definition is stored in the catalogs and any session can use them.
in this global environment.
这里定义了一个全局变量。
应用推荐