4713. Generated & Functional Data: generated-column validation — Prove correctness with targeted queries and assertions. — e-commerce — Python + FastAPI + mysql-connector
Scenario: A e-commerce application must handle generated-column validation. Prove correctness with targeted queries and assertions. Explain the invariant, SQL strategy, transaction/locking behavior, failure handling, observability and test plan. Use MySQL 8-oriented syntax where applicable.
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