Which of the following allows non repeatable read in JDBC, connection class?

A) TRANSACTION_READ_UNCOMMITTED
B) TRANSACTION_READ_ COMMITTED
C) TRANSACTION_SERIALIZABLE
D) TRANSACTION_REPEATABLE_READ.
Explanation: A non-repeatable read is where one transaction reads a row, a second transaction alters or deletes the row, and the first transaction re-reads the row,getting different values the second time.
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deepak agrawal

  • Sep 23rd, 2006
 

C) TRANSACTION_SERIALIZABLED) TRANSACTION_REPEATABLE_READ

pannapurneswar

  • Apr 16th, 2007
 


I think the question is which isolation levels allows non repeatable read ..the answer is
TRANSACTION_READ_UNCOMMITED
TRANSACTION_READ_COMMITED

TRANSACTION_REPEATABLE_READ only allows PHANTOM read that to if it is table level
and TRANSACTION_SERIALIZABLE doesn't allow any
Thnx

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lai

  • Dec 27th, 2016
 

C) TRANSACTION_SERIALIZABLE

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Teja Divyakolu

  • Oct 23rd, 2019
 

TRANSACTION REPETABLE READ

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