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Monthly Archives: August 2021

a detective turning the switch of a vintage recorder

Oracle Database Locking Mechanism – 1

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A lock is a mechanism that prevents destructive interactions. Interactions are destructive when they incorrectly update data or incorrectly alter underlying data structures, between transactions...
File drawer clipart, furniture vintage

Instance Recovery in Oracle

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Instance recovery is the process of applying records in the online redo log to data files to reconstruct changes made after the most recent...