|
Unnormalized table |
ID |
Nation |
Capital |
Game1 |
Game2 |
Game3 |
1 |
India |
Delhi |
Hockey |
Cricket |
Boxing |
2 |
USA |
Washington |
Baseball |
Swimming |
Cycling |
|
1. Eliminate repeating groups in individual tables.
2. Create a separate table for each set of related data.
3. Identify each set of related data with a primary key.
First Normal Form Table |
ID |
Nation |
Capital |
Game |
1 |
India |
Delhi |
Hockey |
1 |
India |
Delhi |
Cricket |
1 |
India |
Delhi |
Boxing |
2 |
USA |
Washington |
Baseball |
2 |
USA |
Washington |
Swimming |
2 |
USA |
Washington |
Cycling |
|