If a query is recognized as a simple query, some optimization steps are bypassed and neither the Query Optimizer section nor the Predicate section are displayed in the graphical plan.

• 如果一个查询被识别为简单查询,则会绕过某些优化步骤,并且[查询优化程序]部分和[谓语]部分都不会显示在图形式计划中。