Apparatus used in a relational data base system to maintain a dependence between a user-defined field in a row of one base table (101) and the state of a set of rows in another base table (101). There are three
Amazon Relational Database Service 사용 설명서 Amazon RDS란 무엇입니까? 설정 시작하기 자습서 및 샘플 코드 Amazon RDS의 모범 사례 Amazon RDS에 대한 프로그래밍 방식 액세스 DB 인스턴스 구성 DB 인스턴...
Relation is sometimes used to refer to a table in a relational database but is more commonly used to describe the relationships that can be created between those tables in a relational database. In relational databases, a relationship exists between two tables when one of them has a foreign k...
关系数据库的英文是什么 关系数据库用英语怎么说 关系数据库怎么读 拼音:,拼音 [guān xì shù jù kù] 关系数据库翻译:关系数据库的英文 relation database,关系数据库也可以翻译为 relational database 表示关系数据库。 关系数据库的意思 关系数据库的翻译 关系数据库的解释 关系数据库的发音 关系数据库的辞典...
relate, related, related to, relater, relating, relation, relational, relational database, relations, relationship, 英汉-汉英词典 n. 系;亲属系;叙述;故事近义、反义、联想词 近义词n. abstraction, sexual activity, sexual practice, sex, sex activity, person, individual 联想词 regard尊敬;concerning...
Der er mange typer af Integrity Begrænsninger i DBMS. Begrænsninger på det relationelle databasestyringssystem er for det meste opdelt i tre hovedkategorier: Domænebegrænsninger Nøglebegrænsninger Henvisende Integrity Begrænsninger ...
Een relationele database is een type database waarin datapunten worden opgeslagen en dat toegang biedt tot datapunten die met elkaar in relatie staan. Relationeledatabaseszijn gebaseerd op het relationele model, een intuïtieve, directe manier om data in tabellen weer te geven. In een relat...
Relation instance − A finite set of tuples in the relational database system represents relation instance. Relation instances do not have duplicate tuples.Relation schema − A relation schema describes the relation name (table name), attributes, and their names....
1Relational Student Enrollment Database students courses enrollment 这种就是一般的关系型数据库(Relation Database) 另一种: Object-Relational Database Example students courses 这就是面向对象的关系型数据库(Object-Relational Database0 发现有什么相同点和不同点了吗?其实很容易看出,这两个数据库的资料是一样...
In a data processing system having a relational database, novel relational operator means is provided that accepts a cursor defined against a database target. The system retrieves record occurrences f