Understanding Database Normalization (1NF 2NF 3NF) with Oracle SQL — Step-by-Step Example
Database normalization is a crucial concept in DBMS that ensures data integrity and eliminates redundancy.In this article, I’ve explained 1NF, 2NF, and 3NF through a real-world example and demonstrated each step using Oracle Live SQL. 🧩 The Original Data StructureWe’ll begin with this unnormalized dataset, which contains redundant information: StudentID StudentName CourseID CourseName Instructor InstructorPhoneS01…
