Normal Forms
1st Normal Form
- Each cell should be single valued
- Entries in a column are of same type
- Rows are uniquely identified - Add unique identifier or Add more columns to make unique
2nd Normal Form
- All attributes (Non Key columns) should be dependent on the key
3rd Normal Form
- All fields (columns) can be determined only by the key in the table and no other column
4th Normal Form
- No multi-valued dependencies