XQuery is a declarative query language.
XQuery是一种声明性语言。
NoSQL databases do not provide a high-level declarative query language like SQL to avoid overtime in processing.
NoSQL的数据库没有像SQL提供一个高层次的声明性查询语言。
NoSQL databases do not provide a high-level declarative query language like SQL to avoid overtime in processing.
NoSQL的数据库没有像SQL提供一个高层次的声明性查询语言。
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