Scenario: A company is planning to migrate its legacy systems to a modern data infrastructure. As part of this migration, they need to redesign their ETL processes to accommodate the new architecture. What steps would you take to ensure a smooth transition and minimize disruption to ongoing operations?
- Agile development methodologies, iterative testing approaches, continuous integration techniques, version control systems
- Comprehensive system analysis, legacy data assessment, ETL process mapping, impact analysis
- Data migration tools evaluation, data migration strategy formulation, data migration testing, rollback planning
- Database schema redesign, data replication techniques, disaster recovery planning, performance tuning strategies
To ensure a smooth transition and minimize disruption during the migration of legacy systems to a modern data infrastructure, it's essential to conduct comprehensive system analysis, assess legacy data, map ETL processes, and perform impact analysis. These steps facilitate the redesign of ETL processes to align with the new architecture while mitigating risks and ensuring continuity of operations.
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