Database Recovery: Database recovery is the process of retrieving the data which was lost during the updating or deletion. It prepares the copy of the database and holds the data stored in the table (i.e save database). It also keeps a log of the transaction changes against the database since the save. If some failure occurs, the lost data can be retrieved using one of the two methods rollback rollforward

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Answer 1

Question

Chapter 6, Problem 6.44RQ

Program Plan Intro

Database Recovery:

Database recovery is the process of retrieving the data which was lost during the updating or deletion.

It prepares the copy of the database and holds the data stored in the table (i.e save database).

It also keeps a log of the transaction changes against the database since the save.

If some failure occurs, the lost data can be retrieved using one of the two methods

rollback

rollforward

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Answer 2

Question

Chapter 6, Problem 6.44RQ

Program Plan Intro

Database Recovery:

Database recovery is the process of retrieving the data which was lost during the updating or deletion.

It prepares the copy of the database and holds the data stored in the table (i.e save database).

It also keeps a log of the transaction changes against the database since the save.

If some failure occurs, the lost data can be retrieved using one of the two methods

rollback

rollforward

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 6, Problem 6.44RQ

Program Plan Intro

Database Recovery:

Database recovery is the process of retrieving the data which was lost during the updating or deletion.

It prepares the copy of the database and holds the data stored in the table (i.e save database).

It also keeps a log of the transaction changes against the database since the save.

If some failure occurs, the lost data can be retrieved using one of the two methods

rollback

rollforward

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 6, Problem 6.44RQ

Program Plan Intro

Database Recovery:

Database recovery is the process of retrieving the data which was lost during the updating or deletion.

It prepares the copy of the database and holds the data stored in the table (i.e save database).

It also keeps a log of the transaction changes against the database since the save.

If some failure occurs, the lost data can be retrieved using one of the two methods

rollback

rollforward

Expert Solution & Answer

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Answer 5

Chapter 6, Problem 6.44RQ

Program Plan Intro

Database Recovery:

Database recovery is the process of retrieving the data which was lost during the updating or deletion.

It prepares the copy of the database and holds the data stored in the table (i.e save database).

It also keeps a log of the transaction changes against the database since the save.

If some failure occurs, the lost data can be retrieved using one of the two methods

rollback

rollforward

Answer 6

Chapter 6, Problem 6.44RQ

Program Plan Intro

Database Recovery:

Database recovery is the process of retrieving the data which was lost during the updating or deletion.

It prepares the copy of the database and holds the data stored in the table (i.e save database).

It also keeps a log of the transaction changes against the database since the save.

If some failure occurs, the lost data can be retrieved using one of the two methods

rollback

rollforward

Answer 7

Chapter 6, Problem 6.44RQ

Program Plan Intro

Database Recovery:

Database recovery is the process of retrieving the data which was lost during the updating or deletion.

It prepares the copy of the database and holds the data stored in the table (i.e save database).

It also keeps a log of the transaction changes against the database since the save.

If some failure occurs, the lost data can be retrieved using one of the two methods

rollback

rollforward

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 6 - Prob. 6.1RQ Ch. 6 - Explain how database administration tasks vary...Ch. 6 - Prob. 6.3RQ Ch. 6 - Prob. 6.4RQ Ch. 6 - Prob. 6.5RQ Ch. 6 - Prob. 6.6RQ Ch. 6 - Prob. 6.8RQ Ch. 6 - Prob. 6.9RQ Ch. 6 - Prob. 6.10RQ Ch. 6 - Prob. 6.11RQ

Solution Summary: The author explains that database recovery is the process of retrieving the lost data which was lost during the updating or deletion.

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Chapter 6 Solutions