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Need a few questions answerd Question 1: What is an ID-dependent entity? Give an example. Entity...

Need a few questions answerd

Question 1: What is an ID-dependent entity? Give an example.

Entity whose identifier includes the identifier of another entity (Weak)

Question 2: Explain the entity shape and type of relationship line used for an ID-dependent entity in an entity-relationship (E-R) diagram.

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Answer #1

1. ID-dependent entity is an entity that includes identifier of another entity.

example of entity whose identifier includes the identifier of another entity (Weak):

country: state

state: city

here state is aweak entity and city is a ID-dependent entity .

2. Double lined boxes or curved boxes used for entity shape and solid line used for relationship line in an ID-dependent entity in an entity-relationship (E-R) diagram.

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