A system and method for data migration in cloud databases is disclosed, wherein structured and unstructured data are transferred between heterogeneous cloud environments in a controlled, reliable, and automated manner. The system comprises a processing unit coupled with memory and a set of data handling components configured to extract source data from a first cloud database, perform schema interpretation and transformation, and load the processed data into a target cloud database while preserving data integrity, consistency, and transactional relationships. The migration process includes mechanisms for data validation, conflict resolution, incremental synchronization, and fault tolerance to ensure minimal downtime and reduced operational disruption. The method further enables real-time monitoring of migration status, adaptive resource allocation, and automated rollback in the event of failure conditions. By incorporating intelligent mapping, compatibility alignment, and secure data transfer mechanisms, the system facilitates efficient, scalable, and secure migration of large-scale datasets across distributed cloud infrastructures.