将 AUTOTRACE 选项设置为 ON 将允许显示该会话中执行的每条语句的说明和统计信息，以及查询结果，直至 AUTOTRACE 被禁用。

Setting the AUTOTRACE option ON will enable the display of explain and statistics information for each statement executed in that session along with query results, until the AUTOTRACE is disabled.

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例如，图10显示没有对这个Query Subject设置过滤器时，使用“Test Sample”按钮进行的“Employee by position - department”查询的结果。

For example, Figure 10 shows the query result of "Employee by position-department" by using the "Test Sample" button when no filter was set for this query Subject.

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