During the systems analysis phase，you must decide how data will be organized，stored，and managed. A (71)________ is a framewor

admin2021-03-26 158

问题 During the systems analysis phase，you must decide how data will be organized，stored，and managed. A (71)________ is a framework for organizing，storing，and managing data.Each file or table contains data about people，places，things，or events．One of the potential problems existing in a file processing environment is (72)________，which means that data common to two or more information systems is stored in several places．In a DBMS，the linked tables form a unified data structure that greatly improves data quality and access．A(n)(73)________ is a model that shows the logical relationships and interaction among system entities．It provides all overall view of the system and a blueprint for creating the physical data structures．(74)________ is the process of creating table designs by assigning specific fields or attributes to each table in the database．A table design specifies the fields and identifies the primary key in a particular table or file．The three normal forms constitute a progression in which (75)________ represents the best design．Most business-related databases must be designed in that form．
(71)

选项 A、data entity
B、data structure
C、file collection
D、data definition

答案B

解析

转载请注明原文地址:https://kaotiyun.com/show/1vQZ777K

本试题收录于：系统架构师上午综合知识考试题库软考高级分类

系统架构师上午综合知识考试

软考高级

相关试题推荐

随机试题

最新回复(0)

During the systems analysis phase，you must decide how data will be organized，stored，and managed. A (71)________ is a framewor

系统架构师上午综合知识考试

软考高级

Lastyear,138,000SanFranciscoresidentsusedAirbnb,apopularappdesignedtoconnecthomerentersandtravelers.It’sasta

Whenoneofhisemployeesphonedinsicklastyear,ScottMcDonald,CEOofMonumentSecurityinSacramento,California,decided

求1+2+…+n，要求不能使用乘除法、for、while、if、else、switch、case等关键字以及条件判断语句（A?B:C）。

编码实现字符串转整型的函数（实现函数atoi的功能），据说是神州数码笔试题。如将字符串”+123”-->123,”-0123”-->-123,“123CS45”-->123,“123.45CS”-->123,“CS123.45”-->0

什么是ASP.net中的用户控件

定义Fibonacci数列如下：输入n，用最快的方法求该数列的第n项。

数据库的优化设计？

自定义工具栏上的按钮添加“自动索引”按钮，删除“查找”按钮。

简单商品经济的基本矛盾是()

男性，50岁，哮喘史7年。严重发作持续已两天，痰黏稠、尿少。查体：呼吸困难，烦躁不安，发绀，心率128次／分，双肺呼吸音低，少许哮鸣音。下列治疗哪项是错误的

孕妇，29岁。分娩过程中，出现不协调性子宫收缩乏力，正确的处理是

战争开始会使交战国间的法律关系发生重大变化，产生一系列的法律后果，以下哪一项不属于产生的法律后果?

票据丢失后，可以采取的补救措施主要有()。

从所给的四个选项中，选择最合适的一个填入问号处，使之呈现一定的规律性。

flashquit

设一棵满二叉树共有15个结点，则在该满二叉树中的叶子结点数为()。

The______inJanet’scharacterhashinderedherfromadvancementinhercareer.