Which of the following below are valid isolation levels in J2EE ?
Correct answer: D. Both A and B
- A. TRANSACTION_READ_UNCOMMITTED
- B. TRANSACTION_SERIALIZABLE
- C. Only A
- D. Both A and B
Explanation
Both TRANSACTION_READ_UNCOMMITTED and TRANSACTION_SERIALIZABLE are standard JDBC transaction isolation constants used in J2EE applications. Hence both A and B are valid.
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