
ICTDBS-Topic3 Quizz1
Authored by David Hunt
Computers
Professional Development
Used 10+ times

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Question: Isolation of the transactions is achieved by:
Avoiding simultaneous transactions.
Storing updates permanently.
Preventing system failure.
Concurrency control.
Answer explanation
Isolation of transactions in a database is achieved through concurrency control, which ensures that multiple transactions can execute concurrently without interfering with each other, maintaining data consistency and integrity.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Database transaction durability ensures that in the event of a system failure, a transaction is:
Not lost once it has been committed.
Completed uninterrupted.
Reversed before it is executed.
Saved before the failure occurs.
Answer explanation
Durability property of a database transaction ensures that once a transaction is committed, its changes become permanent and will not be lost, even in the event of a system failure.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property of database transactions creates an illusion that only one transaction is executed in the system, despite multiple transactions being executed in parallel?
Atomicity
Consistency
Isolation
Durability
Answer explanation
The isolation property of a database transaction ensures that each transaction is executed as if it is the only transaction in the system, creating an illusion of isolation from other concurrent transactions.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All Oracle transactions obey the basic properties of a database transaction. What is the name of the following property?
"All tasks of a transaction are performed or none of them are. There are no partial transactions."
Atomicity
Durability
Consistency
Isolation
Answer explanation
The property described in the statement is Atomicity, which ensures that a transaction is treated as an atomic unit, and all its operations are executed together or none are executed at all.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To ensure integrity of the data, a database system should ensure transactions to possess certain properties. The property that makes sure that "either all instructions executed successfully or none of them are" is called:
Atomicity
Consistency
Isolation
Durability
Answer explanation
Atomicity is the property that ensures that all the instructions of a transaction are executed successfully or none of them are executed, which helps avoid inconsistencies caused
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
10 questions
Web Development Quiz
Quiz
•
Professional Development
10 questions
雲端從業人員Module 2 知識點檢查
Quiz
•
Professional Development
8 questions
Single view ОНА QUIZ DAY 2
Quiz
•
Professional Development
10 questions
Cyberops quiz
Quiz
•
Professional Development
10 questions
OSI Model - Network Layer
Quiz
•
9th Grade - Professio...
7 questions
Review Class 11
Quiz
•
Professional Development
10 questions
CEH Pre Assessment
Quiz
•
Professional Development
10 questions
Daily Quiz (24.12.20)
Quiz
•
7th Grade - Professio...
Popular Resources on Wayground
7 questions
History of Valentine's Day
Interactive video
•
4th Grade
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
fractions
Quiz
•
3rd Grade
15 questions
Valentine's Day Trivia
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
Discover more resources for Computers
44 questions
Would you rather...
Quiz
•
Professional Development
20 questions
Black History Month Trivia Game #1
Quiz
•
Professional Development
12 questions
Mardi Gras Trivia
Quiz
•
Professional Development
14 questions
Valentine's Day Trivia!
Quiz
•
Professional Development
7 questions
Copy of G5_U5_L14_22-23
Lesson
•
KG - Professional Dev...
16 questions
Parallel, Perpendicular, and Intersecting Lines
Quiz
•
KG - Professional Dev...
11 questions
NFL Football logos
Quiz
•
KG - Professional Dev...
12 questions
Valentines Day Trivia
Quiz
•
Professional Development