Benchmark code doesn't look like real code.
基准代码看上去并不像实际中的代码。
Even within this limited definition of performance, pitfalls abound in trying to benchmark code accurately.
即使在如此狭义的性能定义之下,精确地进行代码基准测试仍然有很多困难。
In fact, if we go look at the benchmark code, we will see that the table is created, populated, and used, but statistics are never updated.
事实上,如果我们看一下基准代码,我们就会发现,该表已被创建、填充、并使用,但是统计信息没有被更新。
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