What is Data Migration and what is Conversion?Whats the difference between both?

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Data Migration is upgrading from one version to another version fro e.g. from 11.5.9 to 11.5.10.. Data Conversion is receiving data from a legacy system or receiving data from another module ( e.g. PA), validating it and converting it to ur our the target module using the standard import program.

Andy Noble

  • Oct 25th, 2007

Data Migration is the one off PROCESS of moving data from one system to another, whether that be an upgrade or from legacy.

Data Conversion is a step in the data migration process that involves a some form of transformation of the data from the source structure to the target structure.

Other possible steps in the Data Migration process are
Data Extraction - Taking data out of the source system
Data Cleaning - removing incorrect/invalid data
Data Translation - translating data elements from one value to another
Data Conversion - transformation of the data from the source structure to the target structure.
Data Validating - Ensuring the new data is consistent with itself and any existing data in the target system
Data Loading - Putting the new data in to the target system


  • Jul 9th, 2014

See..Conversion means moving data from one apps system into another apps system.But data migration means moving from non apps system to apps system(Like Upgrading).

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