Unit-IV

Unit-IV

1st - 3rd Grade

60 Qs

quiz-placeholder

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Unit-IV

Unit-IV

Assessment

Quiz

Computers

1st - 3rd Grade

Hard

Created by

murugan bs

Used 5+ times

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60 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The scenario in which one failure leads to a set of transaction rollbacks is called as

Partial schedule

Complete schedule

Dependent schedule

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

State true or false: Every cascadeless schedule is also irrecoverable

True

False

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following are the disadvantages of transaction concurrency?

Decreased throughput

Consistency

Decreased utilization

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a transaction isolation?

Repeatable read

Serializable

Read committed

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The conditions for view serializability

Initial read

Updated read

All the above

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When is a timestamp created for a transaction?

When execution is completed

When execution begins

When execution is taking place

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In ___________each transaction gets its copy version of the database

Snapshot

Lock based

Timestamp

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