Which code segment should you use?

You need to update the CreateMonthlyTotalsReports() method to use database transactions.
Which code segment should you use?

You need to update the CreateMonthlyTotalsReports() method to use database transactions.
Which code segment should you use?

A.
SqlConnection.BeginTransaction(IsolationLevel.ReadCommitted);

B.
SqlConnection.BeginTransaction(IsolationLevel.ReadUnconwited);

C.
SqlConnection.BeginTransaction(IsolationLevel.Chaos);

D.
SqlConnection.BeginTransaction(IsolationLevel.Serializable);

Explanation:

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Blue

Blue

There is a missing requirement:
“The Create MonthlyTotalsReport() method must lock the data and prevent others from updating or inserting new rows until complete.”
Correct answer D

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pnik

pnik

Correct answer D

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