But if you use multiple aggregations with the same grouping keys, or multiple counting functions that count the same column, it will not significantly increase the execution time of the rule.
但是，如果使用具有相同分组关键字的多个聚合，或者对相同列进行计数的计数函数，其不会显著增加规则的执行时间。
This column shows how trace-type aspects can supply useful information about the execution of a program.
本月专栏展示了跟踪型的方面如何提供关于程序执行的有用信息。
Note: the associated tables that are created during the execution of rules or column analysis in the analysis database are not moved automatically.
注意：在分析数据库中，规则执行或列分析过程中创建的相关表是不能自动移动的。
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