Database Fundamentals Chapter 5 - Set 2

Database Fundamentals Chapter 5 - Set 2

University

15 Qs

quiz-placeholder

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Database Fundamentals Chapter 5 - Set 2

Database Fundamentals Chapter 5 - Set 2

Assessment

Quiz

Computers

University

Hard

Created by

Shu Mohd

Used 6+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does Database Transaction Management ensure?

High availability of data

ACID properties are maintained

Data replication across servers

Fast query processing

Answer explanation

Database Transaction Management ensures that ACID properties (Atomicity, Consistency, Isolation, Durability) are maintained, which are crucial for reliable transactions in a database system.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a property of ACID?

Atomicity

Isolation

Durability

Accessibility

Answer explanation

Accessibility is not a property of ACID. ACID stands for Atomicity, Consistency, Isolation, and Durability, which are essential for ensuring reliable transactions in databases.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main characteristic of a Batch Transaction Processing System?

Transactions are processed in real time

Transactions are processed in batches at intervals

Transactions are processed individually

Transactions are processed only when errors occur

Answer explanation

The main characteristic of a Batch Transaction Processing System is that transactions are processed in batches at intervals, rather than in real time or individually. This allows for efficient handling of large volumes of transactions.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of transaction system handles transactions in real-time as they occur?

Batch Processing

OLTP

Real-time processing

Deferred transaction processing

Answer explanation

OLTP (Online Transaction Processing) systems handle transactions in real-time as they occur, allowing for immediate processing and response. This distinguishes it from batch processing and deferred transaction processing.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which transaction system prioritizes very low response times?

Batch Processing

OLTP

Real-time Transaction Processing

Transaction Recovery

Answer explanation

Real-time Transaction Processing is designed for scenarios requiring immediate response, prioritizing very low response times, unlike Batch Processing or OLTP, which may not focus on instant processing.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does Atomicity in a transaction ensure?

All operations succeed or none of them do

Data is accessible by multiple users

Transaction data is saved after a system crash

Transactions are isolated from each other

Answer explanation

Atomicity ensures that in a transaction, all operations must succeed or none of them do. This guarantees that the database remains consistent, as partial updates are not allowed.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the COMMIT statement in SQL?

Begin a new transaction

Cancel a transaction

Confirm and save transaction changes

Lock a table

Answer explanation

The COMMIT statement in SQL is used to confirm and save all changes made during the current transaction. This ensures that all modifications are permanently applied to the database.

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