DBMS concepts (Easy)
Quiz
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Computers
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University
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What is DBMS stands for
Database Manager Service
Database Management System
Database Manipulation Service
Data Business Management Service
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Data inconsistency is different and conflicting version of same data occurs at different place
TRUE
FALSE
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A database architect develops and implements software to meet the needs of
customer
computer
user
programmer
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The Entity-Relation model is composed of ...
entity and object relationships
entity and employee relationship
entity types and their relationships
entity types only.
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Primary Key is a minimal set of attributes that uniquely specify
an attribute in a relation.
a column in a relation.
a table in a relation.
a tuple in a relation.
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A key attribute
can have NULL values.
is the extra attribute of a relation.
can have multiple data values.
can not have NULL values
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Relational algebra is a procedural query language, which takes instances of relations as input and yields instances of relations as output
TRUE
FALSE
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