Data mapping helps in matching fields from one database or data structure into another. Mostly considered as the primary step, this has to be executed to enable smooth data migration, data integration, or other data management actions. This is essentially helpful when data is populated from multiple sources. Most data analytics tools are designed to be a single source of truth (one source for all data queries), and this ensures that there is consistency in the data being processed by removing duplicates, conflicting data, etc.

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