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Oracle Data Modeling Interview Questions

     Published: 11th Jun 2005     Read: 13383 times
Category: Interview Questions
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Oracle Data Modeling Job Interview Questions


 

1.  When should you consider denormalization?
2.  What is ERD?
3.  Is this statement TRUE or FALSE – all databases must be in third normal form?
4.  Describe the third normal form
5.  Why are recursive relationships are bad? How do you resolve them?
6.  What is an artificial (derived) primary key? When should it be used?






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