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.

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。

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The Database Context section lists the configuration parameters that the optimizer takes into account to determine the access plan with the least resource cost.

Database Context区域列出了优化器在确定具有最少资源成本的访问计划时所考虑的配置参数。

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In plan optimization module, the access path selection and the account method of cost evaluation are discussed in detail.

在计划优化模块中，详细讨论了存取路径的选择和代价评估的计算方法。

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Any savings consumers achieve by picking a lower cost plan should roll into a health savings account that they can use to offset out-of-pocket medical expenses.

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The buyout plan will account for much of the cost reduction.

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