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Author Question: Inheritance is one of the major advantages of using the object-oriented model. Indicate whether ... (Read 48 times)

fagboi

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on: Jul 7, 2018
Inheritance is one of the major advantages of using the object-oriented model.
 
  Indicate whether the statement is true or false

Question 2

When each nonprimary key attribute is identified by the whole key, the relation is said to be in at least:
 
  A) second normal form.
  B) third normal form.
  C) fourth normal form.
  D) fifth normal form.
  E) a relational form.


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ankilker

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Reply #1 on: Jul 7, 2018
Answer to Question 1

TRUE
Explanation: For instance, there is no need for a programmer to write code that has already been written for a superclass.
CL

Answer to Question 2

A
Explanation: A) Second normal form deals with composite primary keys where part of the key determines another non-key attribute.
CL


fagboi

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Reply 2 on: Jul 7, 2018
Wow, this really help

miss.ashley

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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