(1) The process of translating
data from one
format to another. Data migration is necessary when an organization decides to use a new computing systems or
database management system that is incompatible with the current system. Typically, data migration is performed by a set of customized
programs or
scripts that automatically transfer the data.
(2) The process of moving data from one storage device to another. In this context, data migration is the same as Hierarchical Storage Management (HSM).
