Consider the schedule below. Here, R(·) and W(·) stands for 'Read' and Write', respectively. T; represents a transaction, and t; represents the time slot. t2 t3 t4 t5 to t7 ts to T1 R(Y) W(X) T2 R(X) T3 W(Y) R(Z) T4 W(X) R(Y) R(X) T5 W(Y) Figure 2: Schedule of Q5(a). Give the complete precedence graph of this schedule and label the data item(s) for each edge, determine if this is a conflict serializable graph?
Consider the schedule below. Here, R(·) and W(·) stands for 'Read' and Write', respectively. T; represents a transaction, and t; represents the time slot. t2 t3 t4 t5 to t7 ts to T1 R(Y) W(X) T2 R(X) T3 W(Y) R(Z) T4 W(X) R(Y) R(X) T5 W(Y) Figure 2: Schedule of Q5(a). Give the complete precedence graph of this schedule and label the data item(s) for each edge, determine if this is a conflict serializable graph?
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
Related questions
Question
5a
![(a)
'Write', respectively. T; represents a transaction, and t; represents the time slot.
Consider the schedule below. Here, R(-) and W(·) stands for 'Read' and
t2
t3
t4
t5
to
t7
ts
to
T1
R(Y)
W(X)
T2
R(X)
T3
W(Y)
R(Z)
T4
W(X)
R(Y)
R(X)
T5
W(Y)
Figure 2: Schedule of Q5(a).
Give the complete precedence graph of this schedule and label the data item(s) for
each edge, determine if this is a conflict serializable graph?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ee6c2d1-6ff3-44c8-9e49-e3d03ba93e68%2Fc24a3d43-7885-4a0f-9131-961cec03fdb2%2Fc9npdl_processed.png&w=3840&q=75)
Transcribed Image Text:(a)
'Write', respectively. T; represents a transaction, and t; represents the time slot.
Consider the schedule below. Here, R(-) and W(·) stands for 'Read' and
t2
t3
t4
t5
to
t7
ts
to
T1
R(Y)
W(X)
T2
R(X)
T3
W(Y)
R(Z)
T4
W(X)
R(Y)
R(X)
T5
W(Y)
Figure 2: Schedule of Q5(a).
Give the complete precedence graph of this schedule and label the data item(s) for
each edge, determine if this is a conflict serializable graph?
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