For MySQL alternatives, migrate a copy of the schema and a realistic dataset before discussing performance.
- Compare collations, case sensitivity, JSON functions, and date/time behavior.
- Run the application's critical reads and writes under concurrent load.
- Test transactions, foreign keys, replication lag, and failover semantics.
- Rehearse backup, restore, and rollback with measured recovery time.
- Inspect drivers, migration tooling, and operational costs.
A successful import does not guarantee equivalent query results. Document each semantic difference before production code is switched.
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