Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Q5: Here is a table with information about some students: begin{tabular}{[lllll} Thline Name & StudentID & Credits & GPA Joe Smith & 123456 & 20
Q5: Here is a table with information about some students: \begin{tabular}{[lllll} Thline Name & StudentID & Credits & GPA Joe Smith & 123456 & 20 & $3.2$ Abby Jones & 234567 & 24 & $3.6$ $\ldots $ & & \hline \end{tabular) And a ToDo list transaction based on Joe earning an A in a 4 credit class. Start transaction Add 4 credits to Joe Change Joe's GPA to $3.66$ End transaction A) Why are the actions not idempotent? What could go wrong if we crash midway through the list? B) Rewrite the todo list so that the actions are idempotent. Q6: Why might a database need to undo part of a transaction? cs.vs. 1236
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started