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Author Question: Explain the ambiguity in the broad definition of a weak entity. What will be an ideal ... (Read 78 times)

APUS57

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on: Jul 7, 2018
Explain the ambiguity in the broad definition of a weak entity.
 
  What will be an ideal response?

Question 2

Database designs are created during the ________ step.
 
  Fill in the blank(s) with correct word


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akpaschal

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Reply #1 on: Jul 7, 2018
Answer to Question 1

The broad definition of a weak entity includes any entity that relies on another entity for its existence in the database. This is ambiguous since this definition can apply to any entity that is involved in a relationship with a minimum cardinality of 1. If the minimum cardinality is 1, then an entity instance in that entity class cannot exist in the database unless there is a related entity instance in the associated entity class. The more restrictive definition of a weak entity indicates that an entity is weak if it logically depends on the other entity for its existence.

Answer to Question 2

component design


APUS57

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Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it

Laurenleakan

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Reply 3 on: Yesterday
Wow, this really help

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