What is referential integrity in a relational modelWhat is referential integrity in a relational model

Feb 15, 2024

Assignment Question :

1- What is referential integrity in a relational model?

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2- Create an ERD for the following relation (see image below)?

Hint: The entities are PERSON, PERSONCREDITCARD, and PERSONPHONE.

The attributes for the above entities are the column headings below respectively.

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