Data migration is the process of selecting, preparing, extracting, and transforming data and permanently transferring it from one computer … system to another” (Wikipedia) “while changing the storage, database, or application. In reference to the ETL (Extract-Transform-Load) process, data migration always requires at least Extract and Load steps” (Data Integration Info). “During data migration, software programs or scripts are used to map system data for automated migration” (Techopedia).

“Planning, migration, and validation are key to effective data migration. Planning requires a clear understanding of design requirements, such as scheduling, replication requirements, hardware requirements, data volume, and data value” (Techopedia). “As much of a company’s corporate knowledge and business intelligence is contained in its data, any data migration project must be done carefully to minimize risks” (Investopedia).

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