IBM
C2090-320 · Question #121
A transaction reads the same row twice and needs the same value returned each time. However, it is not concerned about new rows appearing during the course of the transaction's execution. Which…
The correct answer is B. Read stability. See the full explanation below for the reasoning.
Question
A transaction reads the same row twice and needs the same value returned each time. However, it is not concerned about new rows appearing during the course of the transaction's execution. Which isolation level is appropriate?
Options
- ARepeatable read
- BRead stability
- CCursor stability
- DUncommitted read
How the community answered
(20 responses)- A5% (1)
- B80% (16)
- C10% (2)
- D5% (1)
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