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, ...

This repository is a collection of Oracle PL/SQL scripts I created through self-practice and exploration of relational databases, SQL, and PL/SQL programming. It serves as a personal knowledge base ...

A general rule of thumb for tuning database applications is "80 percent application, 20 percent database." This means that, on average, developers can tune 20 percent of performance problems by ...