You are developing an application that reads and writes data from a SQL Server database.
You need to ensure transactional data integrity.
Which isolation level should you use?

A.
Serializable
B.
ReadCommitted
C.
ReadUncommitted
D.
Normal
Explanation:
Serializable provides the highest level of data integrity.
https://msdn.microsoft.com/en-us/library/system.data.isolationlevel(v=vs.110)
Wrong answer is highlighted. It is indeed “serializable” as stated in the explanation.
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null is right
4
4
Answer is A, Serializable
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