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).

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。

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Work with a relational database: Structured Query language.

处理关系数据库：结构化查询语言。

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Structured Query language (SQL) : a standardized language used to define objects and manipulate data in a relational database.

结构化查询语言(Structured Query Language, SQL)：一种标准化语言，用于在关系数据库中定义对象及操纵数据。

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This traditional database platforms, known as relational database management systems (RDBMS) all use a language called SQL (structured query language).

FORBES: Combating the Big Data skills shortage