
数据库练习题
Quiz
•
Computers
•
University
•
Practice Problem
•
Easy
田文秀 1140308290@qq.com
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
数据库 DB、数据库系统 DBS、数据库管理系统 DBMS 三者之间的关系是?
DBS包括DB、DBMS
DB包括DBS、DBMS
DBMS 包括 DB、DBS
DB 就是 DBS,也就是 DBMS
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
数据库系统是采用了数据库技术的计算机系统,数据库系统由数据库、数据库管理系统、应用系统和 ____构成。
系统分析员
程序员
数据库管理员
操作员
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下述不是DBA数据库管理员的职责的是?
完整性约束说明
定义数据库模式
数据库安全
数据库管理系统设计
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
提供数据库定义、数据操纵、数据控制和数据库维护功能的软件称为?
OS
DS
DBMS
DBS
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列四项中,不属于数据库系统特点的是?
数据共享
数据完整性
数据冗余度高
数据独立性高
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
数据库三级模式体系结构的划分,有利于保持数据库的?
数据独立性
数据安全性
结构规范化
操作可行性
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
描述数据库全体数据的全局逻辑结构和特性的是?
模式
内模式
外模式
存储模式
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