Query是英语中具有名词与动词双重词性的常用词汇，发音为英 [ˈkwɪəri]、美 [ˈkwɪri]。 作为名词表示“疑问，询问”或“问号”，作动词时意为“质疑，表示怀疑”或“提问，查询”。 其形态变化包括复数queries、过去式queried等。

6. To query the database, a user or application can connect to any server instance to which the database is attached. 若要 查询 数据库， 用户 或 应用程序 可以 连接 到 任意 一个 附加 有 数据库 的 服务器 实例。

What was their response to your query? He could always do something useful instead of wasting my time with footling queries. Most of the job involves sorting customers out who have queries. I've got a query about my tax. We have received many written queries about the product.

在标准英语中，查询query意味着对信息的请求。 在计算机编程中，它指的是同一件事，只是信息是从数据库中检索的。 但是，编写查询需要一组预定义的代码才能使数据库理解指令。 这个概念也被称为查询语言。

Query的基本语法通常包括SELECT、FROM、WHERE等关键字，支持比较操作符、逻辑操作符和算术操作符，以及聚合函数、分组和排序等功能。 高级应用支持子查询、连接查询和窗口函数。 在RAG（检索增强生成）系统中，Query理解包括意图识别、术语转换和Query分解等步骤。

Researchers have already begun to use smartphones in social scientific research, either to query people regularly as they engage in their normal lives or to record activity using the device's built-in sensors.

Query is a federated search platform for security data providing expanded data visibility without centralization.

这里query从广义上来说涉及的任务比较多，最常见的就是我们在搜索系统中输入的查询词，也可以是FAQ问答或阅读理解中的问句，又或者可以是 人机对话 中用户的聊天输入。

如：to make a query only when the meaning of a passage is not perfectly evident 只是在某段文章的意义不很清楚时才提出疑问 / a serious query of such complexity that it had to be referred to the Dean of the Faculty 问题这么复杂严肃，只有 系主任 才能回答。

This disambiguation page lists articles associated with the title Query. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.