Data migration is a methodological approach and research area focused on the systematic transfer of data between distinct computer storage types, formats, or information systems. This field investigates the principles, processes, challenges, and strategic planning required for reliably, securely, and efficiently moving data, encompassing critical aspects such as data transformation, validation, and cleansing to ensure integrity, accessibility, and usability within the target architecture, and is significant for enabling technological advancements, system consolidation, and digital transformation initiatives.