In a relational data base, a part of a relation that identifiers an entity and its attributes.
关系数据库中，标识一个实体及其属性的关系的一部分。参阅relation。
RDBMS is a Relational Data Base system developed by Data Base Group in Shandong University on RD-11 Microcomputer.
关系数据库管理系统RDBMS是我们数据库小组在RD—11微机上实现的。
The implementations of Chinese character operating system and relational data base system on microcomputers are discussed in this paper.
本文论述了如何在微机上实现汉字操作系统及关系数据库系统。
This method can be implemented by the calculation of the relational data base, and it is not necessary to fix Numbers of classes in advance.
这个方法可以利用关系数据库运算实现，而且不要求预先指定类数。
The first iteration defines the architecture - is it manual or automated, is it centralized or distributed, is it on-line or batch, is it flat files or a relational data base, etc.
第一个迭代定义体系结构—它是人工的还是自动的，是集中的还是分散的，是在线的还是批命令式的，是直接文件存储还是通过关系性数据库等等。
This section describes how to extract data from the SAP base tables KNA1 and KNVV into relational tables named EKNA1M005 and E2KNVVM007 that reside in a DB2 database.
本部分描述了如何从sap基表KNA1和KNVV中提取数据到位于DB 2数据库中名为ekna1m 005和E2 KNVVM 007的关系表。
As compared to RDB (Relational DataBase), multidimensional data base (MDDB) which base on multidimensional arrays is more suitable to express and store multidimensional data.
与关系数据库相比，基于多维数组的多维数据库更适合表示和存储多维数据。
This paper describes the access control method for the specific relational-object data structure on the base of the self-developed spatial database, VISTA.
论文在自主开发的空间数据库VISTA的基础上针对特定的对象-关系型数据结构，提出了相应的访问控制方法。
The structure of knowledge base is build by the database of relational data model. In order to add rules and delete reduplicate rules, knowledge base has the function of addition, deletion and so on.
本文采用了基于规则的知识表示方法，并采用了关系型数据库建立本系统的知识库，知识库具有添加、删除等功能，实现规则的增加及重复规则的删除。
The structure of knowledge base is build by the database of relational data model. In order to add rules and delete reduplicate rules, knowledge base has the function of addition, deletion and so on.
本文采用了基于规则的知识表示方法，并采用了关系型数据库建立本系统的知识库，知识库具有添加、删除等功能，实现规则的增加及重复规则的删除。
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