Question: Please indicate what recovery strategy to use ( undo / redo / ignore ) when recovering the system using undo / redo loggir Situation 1

Please indicate what recovery strategy to use (undo/redo/ignore) when recovering the system using undo/redo loggir
Situation 1: a transaction has start>, but no < commit> or < end> Situation 2: a transaction has < start>,, but no < end>

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