Step1. Map regular entities
   • Composite attributes
   • Multi-value attributes
Step 2. Map weak entities
Step 3. Map binary relationships
   • One-to-many
   • Many-to-many
   • One-to-one
Step 4. Map associative entities
   • Identifier not assigned
   • Identifier assigned
Step 5. Map unary relationships
   • One-to-many
   • Many-to-many
Step 6. Map ternary (and n-ary) relationships
Step 7. Show referential integrity constraints