How to create a new collection from a given collection , the new collection should have some specific fields only in MongoDb?

shahil198 0
Viewed 5

I am using the below query and getting double data in the output collection

        db.product_catalog.aggregate([ 
          {$match:{manufacturer:"mi"}},
          {$project:{manufacturer:1,model:1}},
          {$out:"newcollection"}
        ])
aggregation-framework nosql mongodb-query database mongodb
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