Databases h446 transaction processing

Databases h446 transaction processing

12th Grade

10 Qs

quiz-placeholder

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Databases h446 transaction processing

Databases h446 transaction processing

Assessment

Quiz

Computers

12th Grade

Medium

Created by

Martin Highmore

Used 3+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a transaction in a database system?

A method to backup data

A request to log into the database

A type of database

A single logical unit of work that may consist of multiple steps

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a transaction with multiple steps?

Deleting a record from the database

Changing the database password

Transferring money from a current account to a savings account

Creating a new database

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key principle of transaction processing?

Transactions do not need to be logical units

Either all of the steps must happen, or none of them must happen

Transactions can be partially completed

Only the first step of a transaction needs to be successful

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes managing transactions more complex?

The use of older database technology

Simple database queries

Databases that only allow a single user

Databases supporting multiple users making concurrent processing requests

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is concurrent processing?

Processing transactions one after another

A type of database software

A method to lock database records

Handling multiple transactions at the same time

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is serialisation in the context of databases?

Deleting old transactions from the database

Backing up the database

Ensuring transactions are processed in a sequential order

Converting data into a series of bytes

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is record locking?

Preventing a record from being changed while it is being used by a transaction

A security measure to protect records from unauthorized access

Permanently deleting a record

Copying records to another location

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