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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BCA 4th Semester Database Management System (DBMS) Notes Pdf:
- Unit I: Introduction To Database Management System (DBMS)
- Unit II: Data Models
- Unit III: Relational Model
- Unit IV: Relational Database Query Languages
- Unit V: Database Constraints and Relational Database Design
- Unit VI: Database Security
- Unit VII: Query Processing
- Unit VIII: File Organization and Indexing
- Unit X: Transaction Processing and Concurrency Control
- Unit XI: Advanced Database Concepts
 Notes Pdf){kind=link}
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