SQLite is often enough for a medium-scale web application when it is configured properly.
Key Points
- Enable WAL mode so reads and writes can run together more smoothly.
- Wrap many writes in a single transaction instead of running them one by one.
- Create indexes on frequently filtered columns and check the query plan with EXPLAIN.
- Back up regularly and test restoring, and do not just copy the file while it is being written.
Measure first before deciding to move to a heavier database server.
Note: this article is dummy demo content and is not professional advice.
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