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Consider a scenario where you need to aggregate data from multiple sources into a single repository. Describe the process you would follow to aggregate this data, including how you would ensure data consistency and integrity during the aggregation process.
A
Aggregate data by simply combining all sources without any checks for consistency or integrity.
B
Implement data aggregation by aligning data from different sources based on common keys, validating data consistency through checksums and integrity through schema validation.
C
Avoid aggregation if data sources have different schemas.
D
Aggregate data by randomly selecting data from each source to create a new dataset.