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Draw “Conflict Serializability” graph for given schedule and tell if schedule is serializable or not.

Draw “Conflict Serializability” graph for given schedule and tell if schedule is serializable or not.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Draw “Conflict Serializability” graph for given schedule and tell if schedule is serializable or not.

Emergency calls only o Telenor @'0 * 96 ||4 11:24 AM Edit WPS 32 Assignment 6: Question#1: Draw "Conflict Serializability" graph for given schedule and tell if schedule is serializable or not. time T1 T2 T3 T5 to Read(x) Read(z) Read(y) y=y*2 у-у+100 to1 toz x=X+10 Read(t) z=z+50 to3 write(x) t=t-20 write(z) to4 tos read(a) read(b) Read(c) b=b+t read(y) y=y*5 Write(y) to6 a=a+50 to7 commit read(e) Read(z) tos e=e+80 Z=Z+C write(z) Write(e) Write(b) to9 t10 commit commit tu commit Question#2: Execute the following schedules as "serial" and "non-serial" schedule and display final values of data items for each. 1. DB Values: balx=60 Time T1 T2 begin-transaction read(balx) t1 begin-transaction read(balx) t2 t3 balx = balx + 100 balx = balx -10 write(balx) commit t4 t5 write(balx) t6 commit 2. DB Values: balx=50, baly=60, balz=100 Tools Mobile View Share Edit on PC
Transcribed Image Text:Emergency calls only o Telenor @'0 * 96 ||4 11:24 AM Edit WPS 32 Assignment 6: Question#1: Draw "Conflict Serializability" graph for given schedule and tell if schedule is serializable or not. time T1 T2 T3 T5 to Read(x) Read(z) Read(y) y=y*2 у-у+100 to1 toz x=X+10 Read(t) z=z+50 to3 write(x) t=t-20 write(z) to4 tos read(a) read(b) Read(c) b=b+t read(y) y=y*5 Write(y) to6 a=a+50 to7 commit read(e) Read(z) tos e=e+80 Z=Z+C write(z) Write(e) Write(b) to9 t10 commit commit tu commit Question#2: Execute the following schedules as "serial" and "non-serial" schedule and display final values of data items for each. 1. DB Values: balx=60 Time T1 T2 begin-transaction read(balx) t1 begin-transaction read(balx) t2 t3 balx = balx + 100 balx = balx -10 write(balx) commit t4 t5 write(balx) t6 commit 2. DB Values: balx=50, baly=60, balz=100 Tools Mobile View Share Edit on PC
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