[ [ Commit The schedule above is for the transactions T1, T2, and T3 1- explain whether it is a serializable or not 2- explain whether that cause cascading aborts If any of the transactions aborts 3- Propose a modification to the given schedule draw it and explain how it produces a deadlock (you may include new R and W operations for any of the transactions), in your new schedule a deadlock must be produced when the strict two-phase locking protocol is used. T1T2T3R(X)R(X)W(X)R(Y)W(Y)R(X)CommitCommitCommitThe schedule above is for the transactions T1, T2, and T31- explain whether it is a serializable or not2- explain whether that cause cascading aborts If any of the transactions aborts3- Propose a modification to the given schedule draw it and explain how it produces adeadlock (you may include new R and W operations for any of the transactions), in yournew schedule a deadlock must be produced when the strict two-phase locking protocolis used.

No need to recover a transaction if it is already committed

Answered: T1 T2 T3 R(X) R(X) W(X) R(Y) W(Y) R(X)…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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[ [ Commit The schedule above is for the transactions T1, T2, and T3 1- explain whether it is a serializable or not 2- explain whether that cause cascading aborts If any of the transactions aborts 3- Propose a modification to the given schedule draw it and explain how it produces a deadlock (you may include new R and W operations for any of the transactions), in your new schedule a deadlock must be produced when the strict two-phase locking protocol is used.

T1
T2
T3
R(X)
R(X)
W(X)
R(Y)
W(Y)
R(X)
Commit
Commit
Commit
The schedule above is for the transactions T1, T2, and T3
1- explain whether it is a serializable or not
2- explain whether that cause cascading aborts If any of the transactions aborts
3- Propose a modification to the given schedule draw it and explain how it produces a
deadlock (you may include new R and W operations for any of the transactions), in your
new schedule a deadlock must be produced when the strict two-phase locking protocol
is used.

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