有时候最好计算得到一个结果而不是原样输出文字。
Sometimes it's better to calculate the value to output rather than type it as a literal.
输出消息正确地显示执行这两种COUNT计算的结果(值为4或6)，见清单30。
The output message correctly shows the results (either value 4 or 6) of executing these two types of COUNT calculation in Listing 30.
不过，您可能发现，处理MON_GET _ index表函数返回的结果集比计算db 2 pd实用程序的输出更加容易。
However, you may find it easier to work with the result set returned by the MON_GET_INDEX table function than it is to evaluate the output of the db2pd utility.
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