QUESTION 1 Explain why having referential integrity also means data is arranged more efficiently. QUESTION 2 Databases require both a physical and conceptual model. Compare these models. How do they differ? QUESTION 3 Discuss the advantages of creating

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QUESTION 1

  1. Explain why having referential integrity also means data is arranged more efficiently.  

QUESTION 2

  1. Databases require both a physical and conceptual model. Compare these models. How do they differ?  

QUESTION 3

  1. Discuss the advantages of creating Web browser access for internal databases. 
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    phyllis young
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