Refer to the sequence below. What is the isolation level of transaction E? session begins SET GLOBAL TRANSACTION ISOLATION LEVEL SERIALIZABLE; session ends session begins SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; transaction A transaction B SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; transaction C SET TRANSACTION ISOLATION LEVEL READ COMMITTED; transaction D transaction E session ends Serializable Repeatable read Read committed Read uncommitted

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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Refer to the sequence below. What is the isolation level of transaction E?
session begins
SET GLOBAL TRANSACTION
ISOLATION LEVEL SERIALIZABLE;
session ends
session begins
SET SESSION TRANSACTION
ISOLATION LEVEL REPEATABLE READ;
transaction A
transaction B
SET TRANSACTION
ISOLATION LEVEL READ UNCOMMITTED;
transaction c
SET TRANSACTION
ISOLATION LEVEL READ COMMITTED;
transaction D
transaction E
session ends
Serializable
Repeatable read
Read committed
Read uncommitted
Transcribed Image Text:Refer to the sequence below. What is the isolation level of transaction E? session begins SET GLOBAL TRANSACTION ISOLATION LEVEL SERIALIZABLE; session ends session begins SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; transaction A transaction B SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; transaction c SET TRANSACTION ISOLATION LEVEL READ COMMITTED; transaction D transaction E session ends Serializable Repeatable read Read committed Read uncommitted
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