When the asynchrony feature of WFS 9.1 is enabled by setting the appropriate configuration parameters, the query execution plan for the UNION ALL query illustrated above may look like this.

当通过设置适当的配置参数启用WFS 9.1中的异步特性时，前面演示的UNION ALL查询的查询执行计划如下。

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Know your plan: Some employer 401(k) plans have an auto escalation feature that bumps that percentage up by one or two percentage points annually, but some set limits on what percentage of your salary you can defer, ranging from 6% to 15%.

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