Question

Explain the purpose of different symbols used in er modeling

Answer 1

Answer:

ERD entity symbols Entities are objects or concepts that represent important data. ... These shapes are independent from other entities, and are often called parent entities, since they will often have weak entities that depend on them. They will also have a primary key, distinguishing each occurrence of the entity...........................

Answer 2

Answer:

☑ ERD entity symbols Entities are objects or concepts that represent important data. ... These shapes are independent from other entities, and are often called parent entities, since they will often have weak entities that depend on them. They will also have a primary key, distinguishing each occurrence of the entity