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Logging Mechanisms in Databases by Black Borland is a document available to read on EtoBox.
What is Logging Mechanisms in Databases about?
Logging mechanisms in databases are crucial for fault tolerance, allowing for recovery from failures by tracking changes and maintaining data integrity. Write-Ahead Logging (WAL) logs changes before applying them, while Redo and Undo logging ensure that committed transactions are preserved and uncommitted ones are reverted during recovery. Log Sequence Numbers (LSNs) help track the order of operations, facilitating efficient recovery processes and maintaining data consistency.
- Author
- Black Borland
- Language
- EN