Why are entity integrity and referential integrity important

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Problem 1: What does it mean to say that a database displays both entity and referential integrity?

Problem 2: Why are entity integrity and referential integrity important in a database?

Problem 3: What is a strong (or identifying) relationship, and how is it depicted in a Crow's feet ERD?

Problem 4: What two conditions must be met before an entity can be classified as a weak entity? Give an example of both a strong and weak entity.

Reference no: EM132961780

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