How Delta Lake Does ACID Without a Database
No database server, no lock manager — just files and a log. Here's how two Spark jobs can write the same table at the exact same moment and never corrupt it.
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Delta Table Internals Explained: Files, Transaction Log, ACID & Time Travel
Follow one Delta table from CREATE to time travel and watch exactly what happens on disk — the Parquet files, the transaction log, and how that log quietly powers ACID and versioning.
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