When a transaction rereads data that has been changed and finds changes due to committed transactions,this is known as a ________.
A)Clean read
B)Dirty read
C)Nonrepeatable read
D)Phantom read

Question

Quizplus · Accepted Answer

Nonrepeatable read occurs when a transaction reads the same row twice and finds different data due to another committed transaction that modified or updated that row in the meantime.

When a Transaction Rereads Data That Has Been Changed and Finds