Question
IT-Assurance There are four system conversion method Parallel:Old and new system are used in the same time Direct:Old system is discontinued on one day and
IT-Assurance There are four system conversion method
Parallel:Old and new system are used in the same time
Direct:Old system is discontinued on one day and the new is used on the next
Poiltentire system is used in one location
PhasedParts of the new system are implemented over time
Question:Provide an example for each in daily life.
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Essentials of Database Management
Authors: Jeffrey A. Hoffer, Heikki Topi, Ramesh Venkataraman
1st edition
