Data Migrations: Planning, Testing, and Rollback
Data Migrations: Planning, Testing, and Rollback Data migrations are more than moving data from one place to another. They are a small project inside your bigger work. Good planning keeps data safe, reduces surprises, and protects daily operations. This guide focuses on three parts: planning, testing, and rollback. Start with a clear plan. Define the scope: which databases, tables, and records move, and what should stay behind. List stakeholders and agree on goals. Create a data map that shows source fields to the new system, plus validation rules and error handling. Decide how much downtime is acceptable and how you will communicate it. Prepare a rollback plan in case anything goes wrong. ...