在每次测试运行之后便删除数据库person表中的所有记录。
All the records in the database PERSON table were deleted after each test run.
来自user表的记录在运行时被转换为一个文本文件。
Record from the USER table is transformed to a text file at run time.
当旧有运行的输出表细节信息不需保留，而需要保留规则的历史记录时，应当使用这一选项来节省分析数据库的空间。
You should use this option to save space on the analysis database when the details of the output table of older runs are no longer needed, while keeping the run history of the rule.
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