Java Architecture Diary
Aug 6, 2021 · Databases
How Relational Databases Ensure Durability: Inside Pages, Undo & Redo Logs
This article explains the internal mechanisms of relational databases, covering data pages, buffer pools, undo and redo logs, checkpointing, and how these components work together to provide atomicity, durability, and crash recovery while minimizing disk I/O.
Checkpointdata pagesdatabases
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