性能更好的 performance-plus 没有更好的方法,一天比一天更难熬 there's no easy way, it gets hearder eachday ..
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Plus, precise measuring of execution speed is more of an art form than a science when it comes to early performance testing.
此外,在早期的性能测试中,精确测定执行速度在更大程度上是一门艺术而不是科学。
Plus, DB2 Visual Explain only describes what the database is doing; it doesn't provide insight into the performance ramifications of that choice.
另外,DB 2 Visual Explain只描述数据库正在做什么;它并不提供性能调优建议。
Instead, you must install NET 2.0 SP1 or later since it contains a number of fixes, plus can increase the performance of Controller considerably (some IBM Cognos Controller tasks run 3 times quicker).
相反,必须安装NET 2.0 SP1或更高版本,因为它包含几个修复程序,而且它能大幅提高Controller的性能(有些IBM Cognos Controller任务的运行速度会提高3倍)。
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