# Database Design
# Good database? database principles?
- [ ] Avoid duplicates and redundants, avoid inaccuracy, reduces data quality
- [ ] Accuracy and quality of stored data using Constraints
# Relational Database
- ER Entity Relationship Modelling of database
- Normal Forms 1, 2 and 3
- Multiplicity Relationships, 1-2-1, 1-2-many
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