由于第二天性使然，人们会通过擤鼻涕来缓解鼻塞，但有人认为这样做没啥好处，还会使鼻涕逆流入鼻窦，引发呼吸不畅。
Blowing your nose to alleviate stuffiness may be second nature, but some people argue it does no good, reversing the flow of mucus into the sinuses and slowing the drainage.
第二个查询使用一个 XML 谓词来确保只生成对应于 “95141” 的行，从而减少了运行时间，对于大型的数据集，这种方法带来的性能好处尤其显著。
The second query uses an XML predicate to ensure that only the rows for "95141" get generated, resulting in a shorter runtime, especially on a large data set.
应用推荐