Unverified50% confidenceFactExact time
The conditional update merges the check and the write into the same atomic operation, so there is no time window between read and write; the database engine ensures that only one transaction can hit the condition by locking the target row or via an optimistic-lock version number.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
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