Answered: Please answer the following questions:…

Please answer the following questions: 1) The transactions in the image below are: (I have attached the image of the transactions) Which answer: Serial Serializable Equivalent Conflicting

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter3: Data Representation

Section: Chapter Questions

Problem 12VE

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Concept explainers

Concurrency Control

The simultaneous occurrence of two or more operations is called concurrence and the situation is called concurrency. In concurrency, the function of one operation can affect the function of the other and put data integrity at risk. Hence, management for the control of concurrency is required. The management or controlling system in the Database Management System (DBMS) that coordinates concurrent access is called the concurrency control system.

Question

Please answer the following questions:

1) The transactions in the image below are: (I have attached the image of the transactions)

Which answer:

Serial

Serializable

Equivalent

Conflicting

T₁
read X
Y = X + 4
write Y
commit
T₂
read X
X = X / 8
write X
commit

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