前面的访问计划显示select语句的总成本是3420.41 timerons，这来自于表扫描操作符(TBSCAN)对ACCOUN t表进行的操作。

The earlier access plan shows that the total cost of the SELECT statement is 3420.41 timerons, which is from the table scan operator (TBSCAN) against the ACCOUNT table.

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第2部分中的同一JUnit测试工具用于生成本文中的表；此流程显示了使用ACLPerspective的主要方面。

The same JUnit test harness from Part 2 was used to generate the tables in this article; the process illustrates the key aspects of using an ACLPerspective.

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本里程表的设计具有结构简单，成本低廉，显示清晰，稳定可靠等优点。

Odometer the design of the structure is simple, low cost, showing clear, stable and reliable results.

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