Cost analyzing relies too much on accounting method and its regulation, and businesses don't analyze the cost behavior which is not included in the accounting regulations.
成本分析过分依赖于会计方法和制度,而对没有纳入会计核算范围的成本行为缺乏分析等等。
In this article, firstly it shows characters of every link; secondly it analyzes the more details of cost in the link and finally develops cost reporting for the cost analyzing demand.
文章先列示每个环节的特点,再分析该环节需要关注的成本,最后按照成本分析的要求进行成本报告的设计。
This allows the query optimizer to do a better job of analyzing the complex query, as the statistics can now closely reflect the actual cost.
这使得查询优化器可以更有效地分析复杂的查询,因为现在统计信息近似地反映实际成本。
应用推荐