Unverified50% confidenceFactExact time
In WAL mode, read and write operations can proceed simultaneously; read transactions read the main database file plus committed portions in the WAL, while write transactions only need to append to the WAL, providing MVCC-like snapshot isolation concurrency control.
1
Sources
50%
Confidence
Long-term
Relevance
8/14/2026
First Seen
Sources
Tailscale溯源：SQLite一个16年历史的WAL重置Bug
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