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Data migration

Data migration

(also data transfer, data relocation)

Data migration definition

Data migration is a process that entails moving data between systems, databases, or applications, emphasizing the need to adequately prepare, extract, and transform all essential information before importing it into the destination system. The procedure encompasses various tasks, such as system improvements, data consolidation, and optimization, to guarantee a seamless and effective data transfer. Nevertheless, residual data and functional challenges may persist and warrant additional scrutiny.

See also: data backup, network encryption, network security protocols

Data migration examples

  • Database migration: Transferring data from one type of database to another, such as moving from a relational database to a NoSQL database.
  • Application migration: Moving data from one application to another, such as migrating email data from one email client to another.
  • Cloud migration: Transferring data from on-premises storage to cloud storage or between different cloud providers.

Data migration best practices

  • Perform a thorough data assessment to identify data quality issues and data dependencies.
  • Establish a clear migration plan, including timelines, resources, and contingencies.
  • Test the migration process in a non-production environment before executing it in production.
  • Monitor and validate the data migration to ensure data integrity and performance.

Pros and cons of data migration


  • Improved system performance and scalability.
  • Enhanced data security and compliance.
  • Streamlined business processes and reduced operational costs.


  • Potential data loss or corruption during the migration process.
  • Temporary system downtime and disruptions to business operations.
  • Complexity and resource requirements of the migration process.

Further reading

Ultimate digital security