Code for Mapping relationship with Entity Framework Code First: One-to-one and variations

What two pitfalls must we avoid when designing a schema with an ER diagram?     redundancy     incompleteness     atomic design     complex data types

what can be very interesting about the Entity-Relationship (ER) Modeling that people may forget about ( i am not talking about the main function or explication but just a concept/part that people tend to overlook when they study it for the first time?

Describe how the regular entity type of an E-R diagram are transformed into relations

Explain the rules and style guidelines for creating entity relationship diagram

Explain ENTITY EXTRACTION AND ER DIAGRAM

1.ADVANTAGES OF USE CASE & SEQUENCE DIAGRAM.   2.CONCLUSIONS FOR USE CASE & SEQUENCE DIAGRAM.

Think about what you'd want to see in an entity identifier, then write it down.

Explain how functional dependencies may be used to indicate: • The entity sets student and teacher have a one-to-one relationship set.• Between entity setsstudent and teacher, there is a many-to-one connection set.

What is the difference between a weak and a strong entity set?