Slide 1CM20145 Recovery + Intro. to Concurrency Dr Alwyn Barry Dr Joanna Bryson Slide 2 Last Time… Transaction Concepts ACID Possible States Schedules Serializability Conflict…
Slide 1 Crash Recovery Slide 2 Review: The ACID properties A A tomicity: All actions in the Xaction happen, or none happen. C C onsistency: If each Xaction is consistent,…