CODASYL - Wikipedia
CODASYL, the Conference/Committee on Data Systems Languages, was a consortium formed in 1959 to guide the development of a standard programming language that could be used on …
漫谈数据库模型 - 知乎 - 知乎专栏
数据系统语言会议（codasyl）的委员会标准化了网状数据库模型，因此网状数据库模型也被称为 codasyl 模型。 网状数据库进一步发展了层次数据库模型，解决了层次数据库有且仅有一个父 …
CODASYL Data-Base Management Systems | ACM Computing …
Since the publication, in April, 1971, of the Data Base Task Group(DBTG) report(ref.1) to the CODASYL Programming Language (=COBOL) Committee(PLC) several committees and task …
Codasyl - Encyclopedia.com
2018年5月29日 · CODASYL An organization dedicated mainly to the development of the data processing language Cobol and associated software. It originated at a meeting, the …
1.2.6网状模型_dbtg系统,亦称codasyl系统-CSDN博客
2019年5月22日 · 网状模型的典型代表是DBTG系统（也称CODASYL系统）。它是20世纪70年代数据库系统语言研究会（conference on data m language，CODASYL）下属的数据库任务 …
Codasyl (Committee on Data Systems Languages) BF Goodrich (the guys without the blimp) built a prototype Commercialized by Cullinet Corp. as IDS Codasyl committee wrote …
The Codasyl Model - SpringerLink
The Codasyl model is a proposed specification for a Data Base System resulting from international collaboration among all interested parties, including users and manufacturers. …
翻译-What Goes Around Comes Around(二) - 知乎 - 知乎专栏
2020年3月7日 · 一个命名弧线在codasyl中称为一个结合类型，即使他在技术上并没有描述任何集合。 但它指出了对于每一个箭头末端的实体拥有0个或者多个子记录类型（箭头的头部）。
What is CODASYL data model? - Definition from Amazing …
CODASYL data model is a standardized data model developed by the Conference on Data Systems Languages (CODASYL), used to represent and manipulate data in hierarchical or …
网状模型 - CSDN博客
2016年8月30日 · 网状模型的典型代表是dbtg系统，也叫codasyl系统特点用网络结构表示实体类型及其实体之间联系的模型。 顾名思义，一个事物和另外的几个都有联系……这样构成一张网 …