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Author Question: Which of the following is a feature of open source projects? A) The source code of the program ... (Read 112 times)

cmoore54

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on: Jul 7, 2018
Which of the following is a feature of open source projects?
 
  A) The source code of the program cannot be modified.
  B) The machine code of the program can be easily understood by humans.
  C) The source code of the program is available to the public.
  D) The source code cannot be obtained from the open source project's Web site.

Question 2

The integrity constraint that specifies that the value (or existence) of an attribute in one relation depends on the value (or existence) of the same attribute in another relation is called:
 
  A) foreign integrity.
  B) attribute integrity.
  C) referential integrity.
  D) dependence integrity.
  E) join integrity.


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xiazhe

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

C

Answer to Question 2

C
Explanation: C) For instance, you can't have StudentID in STUDENT_CLASS unless StudentID already exists in STUDENT.
CL


cmoore54

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

tranoy

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Reply 3 on: Yesterday
Gracias!

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