
DBMS Q2
Quiz
•
English
•
1st - 5th Grade
•
Practice Problem
•
Easy
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a super key?
A set of attributes that can uniquely identify a row in a table
A set of attributes that can uniquely identify a row in a table with no redundant attribute
A column or group of columns used to identify a row uniquely in a table
A column or group of columns in a table that reference the primary key of another table
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements about candidate keys is true?
They can contain redundant attributes
They are a set of attributes that can uniquely identify a row in a table with no redundant attribute
They are a subset of the primary key
They are a subset of the foreign key
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a primary key?
A set of attributes that can uniquely identify a row in a table
A set of attributes that can uniquely identify a row in a table with no redundant attribute
A column or group of columns used to identify a row uniquely in a table
A column or group of columns in a table that reference the primary key of another table
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a foreign key?
A set of attributes that can uniquely identify a row in a table
A set of attributes that can uniquely identify a row in a table with no redundant attribute
A column or group of columns used to identify a row uniquely in a table
A column or group of columns in a table that reference the primary key of another table
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a type of functional dependency in DBMS?
Multivalued Dependency
Trivial Functional Dependency
Non-Trivial Functional Dependency
Binary Dependency
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characterizes a transitive dependency in a database?
It is a direct relationship between values in the same table.
It is an indirect relationship between values in different tables.
It is an indirect relationship between values in the same table.
It does not cause a functional dependency.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three types of anomalies that occur when a database is not normalized?
Addition, Modification, Deletion
Insertion, Update, Deletion
Insert, Edit, Remove
Add, Change, Delete
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