Relational Database Model
Quiz
•
Computers
•
University
•
Practice Problem
•
Medium
Topaz Woolery
Used 41+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Each table _______ represents an attribute.
Dimension
Value
Column
Row
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You can think of a table as a persistent representation of a logical relation.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The order of rows and columns is important to the DBMS.
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What plays an important role in implementing primary keys in DBMS?
Data dictionary
Attributes
Entities
Indexes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When there is too much data redundancy in the database information, what is caused?
Data overcrowding
Anomalies
Error
Indexes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The proper use of this primary key can minimize data redundancy anomalies appearing.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Three relational database operators are:
Restrict
Indexes
Join
Divide
Product
Difference
Union
Intersect
Data dictionary
Project
Select
addition
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