<p>Target data compatible with a target computing application is generated from source data compatible with a source computing application as part of a migration from a source computing application to a target computing application. At least a first portion of the source data is selected and a variable is assigned to the first portion of the source data to enable the first portion of the source data to be referred to using the variable by one or more computer processors in a subsequent generation of further target data from the source data.</p>
