fuzzy-relation based relational database model 基于模糊关系的关系数据库模型
relational database based managed systems 基于关系型数据库的管理系统
A relational database based dictionary and (2) a file based dictionary.
基于关系数据库的dictionary，(2)基于文件的dictionary。
About 6 months ago, we decided to develop a new, modern search architecture that is based on a highly efficient inverted index instead of a relational database.
大约6个月前，我们决定开发一个全新的现代搜索框架，该搜索框架基于高性能的倒排索引，而非关系型数据库。
The SQL JOIN statement has long been in the toolkit of database programmers, allowing you to combine the data contained in two or more relational database tables based upon a common attribute.
数据库编程人员对 SQL JOIN 语句的使用由来已久，通过该语句可以基于相同的属性将两个或更多关系数据库表中的数据组合到一起。
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