寻找一个数据库选项或搜索函数选项，以允许您的查询直接从索引检索结果并避免任何种类的结果有效性过滤。
Look for a database option or search-function option that allows your search to retrieve its results directly from the indexes and that avoids any kind of validation-filtering of the results.
只寻找您需要的：如果您只需要该信息的一个子集的话，不要检索一个表的整个内容——或者许多XML文档的整个内容。
Ask only for what you need: Don't retrieve the entire contents of a table — or the entire contents of many XML documents — if you only need a subset of this information.
使用联机公共检索目录来寻找图书。
To find books in the Library use the OPAC (Online Public Access Catalog).
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