1. [Total 5 Pointsl Transaction ACID Properties and Concurrency Control Use the following transaction example to...
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1. [Total 5 Pointsl Transaction ACID Properties and Concurrency Control Use the following transaction example to answer each question below. Assume that one or more of the ACI be missing in the example below. Time E1 E2 E3 E4 ES E6 Transaction 1 Commit; THRE Begin Trans 1 Read_item(x); X:=x-100; Write_item(x); Commit; Transaction 2 Begin Trans 2 Read_item(x); X:=x + 100; Write_item(x); 1c) [3 points 1 - Why? 1a) [1 point ]-Name the Transaction Problem. Database Values of X 200 200 200 300 100 Start your answer below 1b) [1 point 1-Which ACID Transaction Property does it violate? 1. [Total 5 Pointsl Transaction ACID Properties and Concurrency Control Use the following transaction example to answer each question below. Assume that one or more of the ACI be missing in the example below. Time E1 E2 E3 E4 ES E6 Transaction 1 Commit; THRE Begin Trans 1 Read_item(x); X:=x-100; Write_item(x); Commit; Transaction 2 Begin Trans 2 Read_item(x); X:=x + 100; Write_item(x); 1c) [3 points 1 - Why? 1a) [1 point ]-Name the Transaction Problem. Database Values of X 200 200 200 300 100 Start your answer below 1b) [1 point 1-Which ACID Transaction Property does it violate?
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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