When this happens at the outermost level of a script, it automatically assumes that the argument list is the parameter.
当这发生在脚本的最外层时,它自动假设参数表是参数。
The outermost element of a message will appropriately have a global name, which will distinguish that message from all other messages.
一个消息的最外层元素将有一个合适的全局名称,将那个消息与所有其它消息区别开。
In the example, this is represented by the outermost select statement, which USES S1 as a subquery.
在这个示例中,这由最外层的选择语句表示,这个语句将S1用作子查询。
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