Understanding how databases handle crashes reveals crucial concepts like the Write-Ahead Log (WAL), which helps ensure data consistency and aids in crash recovery. Checkpointing is another important technique that controls how often data pages are flushed to disk, balancing startup speed and I/O operations. Knowing when to
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This can make an interesting interview question.Meet the WALWhat if we crashed while writing the WAL?Redoing the WALCheckpointingHow often should we flush the WAL?Sort: