Web Reference: Jul 12, 2025 · Lost Update Problem: In the lost update problem, an update done to a data item by a transaction is lost as it is overwritten by the update done by another transaction. Increasing the isolation level of transactions on a database is one of the ways to prevent lost update problems. Isolation is Iin ACID properties. This method ensures that the isolation level of transactions on a database is increased to 'Repeatable Read' so that the database can perform efficient checks in conjunction. The method to set the isolat... What Is a Lost Update? A lost update occurs when two different transactions are trying to update the same column on the same row within a database at the same time.
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