# Database Migration Phases
+ Evaluation
+ Migration Planning
+ Test Migration
+ Testing
+ Final Migration
+ Cutover
![`smart`](DatabaseMigrationPhases_aa_001_20230831.png)
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A database is a critical component in the architecture of most applications, and, database migrations can be complex, a phased and iterative approach should be used.

TiDB Cloud migrations are often in large-scale, and large-scale database migrations require adequate planning to meet strict compatibility and performance requirements.