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Data Migration

Data Mapping

The process of defining how data fields in the source system correspond to fields in the target system.

Complete Definition

Data Mapping is the process of creating relationships between data fields in the source system and corresponding fields in the destination system. This includes defining transformations, handling data type conversions, and establishing rules for how data should be migrated. Proper data mapping is critical to ensuring data integrity and maintaining business logic after migration.

Key Points

  • 1Documents source-to-target field relationships
  • 2Defines data transformation rules
  • 3Identifies data that cannot be migrated automatically
  • 4Foundation for migration scripts and testing

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