信息询问语言 information query language 询问系统 enquiry system; inquiry system; interrogation system; questioning system ..
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File systems can be used as an alternative and while they offer better performance, there is neither a query language for searching information nor a notion of relationship or transaction.
尽管可以用文件系统作为替代——而且它们还提供了更好的性能。但它们既没有提供用于搜索信息的查询语言，也没有提供表示关系或事务的概念。
Relational databases use Structured Query Language (SQL) to pull information from multiple tables and columns, but key-value stores are limited to operations on the key column.
关系数据库使用结构化查询语言(Structured Query Language, SQL)以便从多个表和列中提取信息，但是键值存储仅限于对键列的操作。
With information specified as an XML document, you can retrieve data with an XML query language, like XQuery.
如果信息用XML文档给出，可以用XML查询语言如XQuery检索数据。
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