In the last few sections, you tuned the query and improved its predicted cost.
在前面几个小节中,您调优了查询并改进了它的预计成本。
You can get information on the predicted cost, on whether indexes are used, on how many joins are used, and so forth.
您可以获取以下一些信息:预计成本,是否使用索引,使用了多少联接,等等。
Figure 15 shows the SQL outline view of the example credit card application on DB2, for which predicted cost information is also listed.
图15显示了DB 2上的示例信用卡应用程序的SQL大纲视图,还列示了预计的成本信息。
The predicted cost of labour may be obtained from the estimators' data - the estimate for that particular project.
对劳务费用的估算,可从预算人员对该项工程的估算数据中获得。
The predicted cost of labour may be obtained from the estimators' data - the estimate for that particular project.
对劳务费用的估算,可从预算人员对该项工程的估算数据中获得。
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