5 votes 5 votes $1)$ Consider schedule below. Determine whether schedule is cascadeless or not ? r1(x); r2(z); r1(z); r3(x); r3(y); w1(x); c1; w3(y); c3; r2(y); w2(z); w2(y);c2 Databases databases transaction-and-concurrency + – Prabhanjan_1 asked Dec 24, 2016 edited Dec 25, 2016 by Prabhanjan_1 Prabhanjan_1 1.2k views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments Aboveallplayer commented Dec 25, 2016 reply Follow Share yes! i completely missed R3(x) is not taking value from T1, ya.cascadeless 0 votes 0 votes Prabhanjan_1 commented Dec 25, 2016 reply Follow Share Thanks Uddipto for response .. 0 votes 0 votes Aboveallplayer commented Dec 25, 2016 reply Follow Share THANK YOU! for helping me to identify a silly mistake 0 votes 0 votes Please log in or register to add a comment.
Best answer 7 votes 7 votes Cascadeless Rollback Recoverable Schedule: Dirty reads or uncommitted reads NOT ALLOWED $\Rightarrow$ Given schedule is cascadeless recoverable. dd answered Jan 18, 2017 edited Jan 18, 2017 by dd dd comment Share Follow See all 0 reply Please log in or register to add a comment.