src/main/java/sme/backend/ ├── config/ 7 files — Security, CORS, Redis, WebSocket, AI, Audit, AppProperties ├── security/ 4 files — JWT Provider ...

Note: These slides refer to a legacy, pre–Spring Boot version of Petclinic and may not reflect the current Spring Boot–based implementation. For up-to-date information, please refer to this repository ...

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You check `EXPLAIN` during code review and find no slow queries, yet in production, hundreds of SQL statements are being executed. This is the N+1 problem. Even if your index design is correct, ...