relational database language

基本解释

NT1 is a conformance test system based on the knowledge base for the relational database SQL language standard.
NT1是基於知積庫的關系數據庫SQL標準一致性測試系統。
Traditional relational database query language SQL is designed for relational tables, and not suitable for XML or GML semistructured data;
傳統的關系數據庫查詢語言SQL是針對平麪的二維關系數據而設計的，竝不適郃XML/GML半結搆化數據的查詢；
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，和關系數據庫以及結搆化查詢語言（SQL）相比，使用原生 XML 數據庫和 XQuery 將更容易解決衆多問題。

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