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You are working on a data migration project where you need to transfer data from an old system to a new system. The data includes customer information, transaction history, and product details. Which of the following steps should you take to ensure the data quality during the migration process?
A
Perform data validation checks on the data before and after the migration to ensure data completeness, consistency, accuracy, and integrity.
B
Assume that the data in the old system is accurate and complete, and directly transfer it to the new system without any validation.
C
Use a data profiling tool to analyze the data in the old system and identify any issues with data quality before the migration.
D
Ignore the data quality during the migration process and focus only on the technical aspects of the migration.