Business Analyst: What is a data migration plan?

Data migration plan — strategy for moving data between systems.

Key elements:

• Source and target systems.
• Data to migrate.
• Migration approach.
• Validation rules.
• Rollback plan.

Steps:

1. Assess current data.
2. Map data fields.
3. Clean and transform.
4. Test migration.
5. Execute migration.
6. Validate results.

Approaches:

• Big Bang — all at once.
• Phased — gradual migration.
• Parallel — run both systems.

Risks:

• Data loss.
• Data corruption.
• Downtime.
• Compatibility issues.

BA role: Define requirements and validate data.