
DBMS_5thsem_CS2_2023-24
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Shashikala AB
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following provides the ability to query information from the database and insert tuples into, delete tuples from, and modify tuples in the database?
DML(Data Manipulation Language)
DDL(Data Definition Language)
Relational Schema
Query
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do you mean by one to many relationships?
One class may have many teachers
One teacher can have many classes
Many classes may have many teachers
Many teachers may have many classes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the following Query, which of the following can be placed in the Query's blank portion to display the salary from highest to lowest amount, and sorting the employs name alphabetically?
SELECT *
FROM instructor
ORDER BY salary ____, name ___;
Ascending, Descending
Asc, Desc
Desc, Asc
All of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The term "Data" refers to:
The electronic representation of the information( or data)
Basic information
Row Facts and figures
Both A and C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following refers to the number of tuples in a relation?
Entity
Column
Cardinality
None of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following command is a type of Data Definition language command?
Create
Update
Delete
Merge
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following commands is used to save any transaction permanently into the database?
Commit
Rollback
Savepoint
None of the above
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