1. ACID Properties: Jo's organization uses an established transactional system Balnc, which manages accounts. Each accou

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1 Acid Properties Jo S Organization Uses An Established Transactional System Balnc Which Manages Accounts Each Accou 1 (66.89 KiB) Viewed 54 times

1. ACID Properties: Jo's organization uses an established transactional system Balnc, which manages accounts. Each account has an integer value at any time. All transactions in BalnC are transfers between accounts, so after each transaction the sum of all the accounts in BalnC is supposed to be zero. One week ago Jo's team installed a new version of the ACID transaction management used by Balnc. Today Jo observes that the sum of all accounts is not zero any more. Jo suspects the recently installed new version violates one or more ACID properties. We do not consider consistency and durability here. For each of the two remaining ACID properties, say in about 3 sentences whether and how a violation of that ACID property could have caused the observed problem. [12 marks]