2.1.1: Transactions.

Describe each set of transactions. \begin{tabular}{|l|} \hline \multicolumn{2}{|c|}{ Set 1} \\ \hline T2 computes sum of accounts \\ \hline T1 increases account A by $50 \\ \hline T1 commits \\ \hline T2 if sum > expected, add $10 to all accounts \\ \hline T2 commits \\ \hline T3 finds largest account \\ \hline T3 pays CEO 1% of largest account \\ \hline T3 commits \\ \hline \end{tabular} \begin{tabular}{|l|} \hline \multicolumn{1}{|c|}{ Set 2} \\ \hline T1 adds $50 to account A \\ \hline T2 reads account A \\ \hline T2 increases account A by 10% \\ \hline T1 rolls back \\ \hline T3 reads account A \\ \hline T3 pays CEO 1% of account A \\ \hline T3 commits \\ \hline T2 commits \\ \hline \end{tabular} T1 executes Pick T1 executes Pick T2 executes Pick T2 executes Pick T3 executes Pick T3 executes Pick