The following two transactions result in a deadlock. Show through examples how this deadlock can be dealt with or avoided using conservative and basic two-phase locking algorithms. T1 read_lock (Y); read_item (Y); write_lock (X); (waits for X) T'2 read_lock (X); read_item (X); write_lock (Y); (waits for Y)

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
icon
Related questions
Question
The following two transactions result in a deadlock. Show through examples how
this deadlock can be dealt with or avoided using conservative and basic two-phase
locking algorithms.
T'1
read_lock (Y);
read_item (Y);
write_lock (X);
(waits for X)
T'2
read_lock (X);
read_item (X);
write_lock (Y);
(waits for Y)
Transcribed Image Text:The following two transactions result in a deadlock. Show through examples how this deadlock can be dealt with or avoided using conservative and basic two-phase locking algorithms. T'1 read_lock (Y); read_item (Y); write_lock (X); (waits for X) T'2 read_lock (X); read_item (X); write_lock (Y); (waits for Y)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Encryption and decryption
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education