Question
Log-Based Recovery and Checkpointing in Data-Intensive Systems
Answer :
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Log-based recovery and checkpointing are fundamental mechanisms in Database Management Systems to ensure data integrity, durability, and fault tolerance, especially in data-intensive systems where large volumes of transactions are processed continuously. Log-based recovery relies on maintaining a transaction log, which records all changes made to the database. Each log entry typically contains information such as transaction identifier, data item modified, old value, and new value. The log is stored
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