Question
2.2 This is an exercise for your understanding to the process of database recovery. There are 3 transactions (T1, T2, T3) since last backup. T1
2.2 This is an exercise for your understanding to the process of database recovery.
There are 3 transactions (T1, T2, T3) since last backup. T1 finished successfully before the latest checkpoint p1. T2 finished successfully after p1. T3 was aborted after p1 due to main memory crash. Explain how a DBMS deal with these transactions during the recovery process if memory crashed. How DBMS does recovery if the hard drive crashed. Try to answer the question in as detail as possible. for example, you should say, "... for transaction Tx, dbms use ... to rollback/rollforward using before/after image in .....etc. Answer above two questions separately.
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Privacy In Statistical Databases Unesco Chair In Data Privacy International Conference Psd 2014 Ibiza Spain September 17 19 2014 Proceedings Lncs 8744
Authors: Josep Domingo-Ferrer
2014th Edition
3319112562, 978-3319112565
