Choice of a similarity measure depends on the type of datapresent and your testing.
应该根据数据和测试类型来选择相似度度量。
2
While this query simply returns a list of titles, names, and URLs, a more complex query could extract all of the datapresent in the matched items.
虽然这个查询只是返回标题、名称和 URL 的列表,但是更复杂的查询可以从匹配项目提取出所有数据。
3
Small XML documents that occupy less than 32kb of storage space can be inlined with any relational datapresent in the same row, and the entire row can be compressed.