Question: Select the ACID property violated in each example. ( a ) Transaction 1 slowly updates account A ' s balance by a complex algorithm that

Select the ACID property violated in each example.(a)Transaction 1 slowly updates account A's balance by a complex algorithm that reads the balance. Transaction 2 quickly withdraws 5 from account A's balance. Transaction 2 starts before 1 finishes.(b)A transaction withdraws $25 from each account. However, a system failure caused withdrawals for only half of the accounts to be written to the database.(c)A transaction deletes an account with primary key of 5. A subscription references that primary key of 5 as a foreign key.(d)A transaction removes expired subscriptions. The removals are written in the database, but due to a drive failure, the information is permanently lost.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!