原生查询为执行复杂查询提供了一种功能强大的方法,而且不需要学习新的查询语言或使用复杂对象结构对谓词建模。
Native queries provide a powerful way to execute complex queries without having to learn a new query language or resort to complicated object structures to model a predicate.
大多数开发人员听说过关于反模式的一个很好的例子:结构化查询语言(Structured Query Language,SQL)的错误使用导致Web站点受到 SQL 注入攻击。
Most developers have heard of a good example of an anti-pattern: The improper use of Structured Query Language (SQL) libraries that result in SQL injection attacks on Web sites.
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。
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.
XQuery 1.0规范:了解有关此XML语言的更多信息,该语言灵活使用 XML结构表达跨各种 XML数据源的查询。
XQuery 1.0 specification: Learn more about this XML language that makes intelligent use of XML structure to express queries across various XML data sources.
使用扩展结构化查询语言(ESQL)。
最重要的是,和关系数据库以及结构化查询语言(SQL)相比,使用原生xml数据库和XQuery将更容易解决众多问题。
Most important, many problems are much easier to solve with a native XML database and XQuery than with a relational database and Structured Query Language (SQL).
对索引的查询将使用标准结构化查询语言(Structured Query Language,SQL)来执行。
The query on the index would have been performed using standard Structured Query Language (SQL).
通过使用代码查询语言(CodeQueryLanguage,CQL,一种能够提供代码结构查询的语言),开发人员能够对他们的代码库提出各种问题
Thanks to a language dedicated to code structure querying (Code Query Language, CQL), developers can ask for any kind of questions about their code bases
结构查询语言也让使用者可以自行定义资料,而且处理这些资料。
SQL also allows users to define data in a database and to manipulate those data.
结构查询语言也让使用者可以自行定义资料,而且处理这些资料。
SQL also allows users to define data in a database and to manipulate those data.
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