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。
This column shows how trace-type aspects can supply useful information about the execution of a program.
在前面两个专栏中，谈到不必要的SQL，并给出了执行次数过多的SQL例子，以及应当由更新的、性能更优的SQL来替代的例子。
In my two previous columns, I wrote about unnecessary SQL and gave examples of SQL that is executed far too many times and SQL that should be replaced with newer, better-performing SQL.
在本次专栏中，介绍了如何用aspectwerkz实现带性能度量增强的基本执行跟踪。
In this column, you've seen how AspectWerkz can be used to implement a basic execution trace enhanced with performance metrics.
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