Grokking System Design Fundamentals
Ask Author
Back to course home

0% completed

SQL Normalization and Denormalization
We'll cover the following
SQL Normalization
Characteristics
Example: Customer Orders Database
Original Table (Before Normalization)
After Normalization
Levels (Normal Forms)
Use Cases
SQL Denormalization
Characteristics
Denormalization Example
When to Use
Key Differences
1. Purpose
2. Data Redundancy
3. Performance
4. Complexity
Normalization
Denormalization
Conclusion

SQL Normalization

Normalization in SQL is a database design technique that organizes tables in a manner that reduces redundancy and dependency. It involves dividing a database into two or more tables and defining relationships between them to achieve a more efficient database structure.

Characteristics

  • Reduces Redundancy: Avoids duplication of data.
  • Improves Data Integrity: Ensures data accuracy and consistency.
  • Database Design: Involves creating tables and establishing relationships through primary and foreign keys.

.....

.....

.....

Like the course? Get enrolled and start learning!