Microsoft
98-364 · Question #21
JDBC API 2.0 defines five levels of transaction isolation for database concurrency control. Which of the following is the lowest level of transaction isolation?
The correct answer is B. TRANSACTION_NONE. See the full explanation below for the reasoning.
Question
JDBC API 2.0 defines five levels of transaction isolation for database concurrency control. Which of the following is the lowest level of transaction isolation?
Options
- ATRANSACTION_SERIALIZABLE
- BTRANSACTION_NONE
- CTRANSACTION_READ_COMMITTED
- DTRANSACTION_READ_UNCOMMITTED
- ETRANSACTION_REPEATABLE_READ
How the community answered
(61 responses)- A3% (2)
- B74% (45)
- C13% (8)
- D8% (5)
- E2% (1)
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