Unit IX: Crash Recovery – Database Management System

Crash recovery is the process by which the database is moved back to a consistent and usable state. This is done by rolling back incomplete transactions and completing committed transactions that were still in memory when the crash occurred.

In this “Crash Recovery – Database Management System” you will learn about the following topics:

Introduction to Crash Recovery
Failure Classification
Transaction Failure, System Crash, Disk Failure
Database Backup
Types of Backup
Physical Backups, Logical Backup
Importance of Backups
Storage of Data
Volatile Memory, Non – Volatile Memory, Stable Memory
Methods of Backup
Database Recovery
Methods of Database Recovery
Log-Based Recovery, Checkpoint, Shadow Paging
Remote Backup System
Issues Must Be Addressed In Designing A Remote Backup System
Detection Of Failure, Transfer Of Control, Time To Recover, Time To Commit

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This article Crash Recovery – Database Management System is contributed by Rashita Gurung, a student of LA GRANDEE International College.

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