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Author Question: Every action that occurs in the database is a: A) Database transaction B) A query C) Part of ... (Read 159 times)

Evvie72

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on: Jul 7, 2018
Every action that occurs in the database is a:
 
  A) Database transaction
  B) A query
  C) Part of physical design
  D) Aspect of Referential integrity

Question 2

When converting from an old to a new system, what is a direct change over? A modular conversion? A Distributed conversion?
 
  What will be an ideal response?


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Carissamariew

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

A

Answer to Question 2

Conversion by direct changeover means that, on a specified date, users stop using the old system and the new system is put into use.

Modular conversion uses the building of self-contained, operational subsystems to change from old systems to new in a gradual manner.

Distributed conversion refers to a situation in which multiple systems are converted at a single location. When that conversion is successfully completed, other conversions are done for other sites.


Evvie72

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Reply 2 on: Jul 7, 2018
Gracias!

tuate

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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