Database system
A database may be defined as a collection of interrelated data stored together with as little redundancy as possible to serve one or more applications in an optimal fashion; the data are stored so that they are independents of programs which use the data; a common and controlled approach is used in adding new data and in modifying and retrieving existing data within the data base one system is said to contain a collection of databases if they are entirely separate in structure. The restructuring should be possible without having to rewrite the application program and in general should cause as little upheaval as possible the ease with which a database can be changed will have a major effect on the rate at which data-processing application can be developed in a corporation.
下面这本书是谁写的?书名作者出版社或刊号、出版年月或出版期号
答案:2 悬赏:0
解决时间 2021-02-27 01:46
- 提问者网友:践踏俘获
- 2021-02-26 02:26
最佳答案
- 二级知识专家网友:猖狂的痴情人
- 2021-02-26 03:30
亲,我先看懂文章以后,去学习新知书店查书名,之后看书号,出版年月或者出版期号。
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- 1楼网友:24K纯糖
- 2021-02-26 05:02
哪来的刊号那年代,他读的是周游列国,用双腿走出来的书,行万里路,栽无数次跟头才成就了他的一生
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