SQLhelper/ ├── SQLhelper-back/ # Backend API (Express + TypeScript) │ ├── src/ │ │ ├── index.ts # Application entry point │ │ ├── routes/ # API route handlers │ │ ├── services/ # Business logic ...
Design a normalized schema (3NF/BCNF) for Products, Warehouses/Locations, Inventory_Levels, Suppliers, Purchase_Orders, Sales_Orders, Audit_Logs, etc. Utilize advanced data types, constraints (CHECK, ...
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