Explaining weak relationship and weak entity

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Reference no: EM1346993

Q1) Within the broad "key" classification several specialized keys have been defined. List all and describe each with an example. Explain Functional dependency. Provide an example. What are entity integrity and referential integrity? Why are they considered important?

Q2) What is meant by a weak relationship? Provide an example. What is meant by weak entity? Give an example. What do you understand by relationship degree? Name and discuss the different types of relationship degree with examples.

Reference no: EM1346993

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