Unit IX: Crash Recovery | BCA 4th Semester Database Management System (DBMS) Notes Pdf

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:

1. Introduction to Crash Recovery
2. Failure Classification
3. Transaction Failure, System Crash, Disk Failure
4. Database Backup
5. Types of Backup
6. Physical Backups, Logical Backup
7. Importance of Backups
8. Storage of Data
9. Volatile Memory, Non – Volatile Memory, Stable Memory
10. Methods of Backup
11. Database Recovery
12. Methods of Database Recovery
13. Log-Based Recovery, Checkpoint, Shadow Paging
14. Remote Backup System
15. Issues Must Be Addressed In Designing A Remote Backup System
16. 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