Data Migration is the process of transferring data from one location, format, or application to another. Coursera's data migration catalogue equips you with the necessary knowledge to efficiently move, map, transform, validate and clean data across various systems. You'll learn about various techniques and best practices for data migration including Extract, Transform, Load (ETL) processes, data conversion, data cleansing, data integrity checks, and dealing with legacy data. You'll also gain an understanding of potential challenges and risks in data migration and how to mitigate them, ensuring a smooth transfer of data with minimized downtime and disruption. This skill is essential for data analysts, database administrators, and IT professionals involved in data management and transformation projects.