How to Remove Duplicates When Using $unionWith in MongoDB
Tutorialsrack 19/01/2025 MongoDB
When working with MongoDB, combining multiple collections into a single result set is a common requirement. The $unionWith stage in the Aggregation Framework makes this task easy by allowing you to merge data from multiple collections. However, combining data often introduces duplicate records, which can lead to inaccuracies in reports or redundant processing.
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