当在触发器的处理过程中抛出异常时,触发器终止,导致触发器触发的整个语句回退。
When an exception is thrown during processing of a trigger, the trigger aborts, and the entire statement that caused the trigger to fire is rolled back.
在基于UNIX的操作系统中,本行会使Python解释器自动启动,并在终止前处理文件中的语句。
On UNIX-based operating systems, this line causes the Python interpreter to start up automatically and process the statements in the file before terminating.
RCTE 和终止 SELECT 语句都返回了 4 个列,分别是递归的层数、下属的雇员编号、直属经理的姓名以及直属经理的雇员编号。
The RCTE and the final SELECT statement both return four columns, representing the level and the employee number of the subordinate and his name and finally the employee number of the direct manager.
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