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Author Question: When two transactions are being processed against the database at the same time ________. A) they ... (Read 65 times)

tfester

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on: Jul 7, 2018
When two transactions are being processed against the database at the same time ________.
 
  A) they are called concurrent transactions
  B) they are usually interleaved
  C) they always result in a lost update problem
  D) Both A and B are correct

Question 2

Briefly define and discuss what an information system is, the five components that comprise an information system, and what the purpose of an information system is.
 
  What will be an ideal response?


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jackie

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

D

Answer to Question 2

A system is a set of components that interact to achieve some purpose or goal, and an information system is a system that has the goal of producing information. An information system has five components: hardware, software, data, processing, and people.


tfester

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Reply 2 on: Jul 7, 2018
Excellent

ttt030911

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Reply 3 on: Yesterday
Gracias!

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