copy a collection from one database to another in MongoDB? clone collections from one database to another in MongoDB? Source DB: sourcedb Destination DB: distdb Step:1 >use sourcedb ; switched to db sorucedb > show collections; Show collections; Step:2 >db.copyThisCollectionToSampleDatabaseDemo.find().forEach(function(send){ db.getSiblingDB(' distdb ')['copyThisCollectionToSampleDatabaseDemo'].insert(send); }); Note: Copied all collections into new source( sourcedb) Step:3 >use dis db ; switched to disdb > show collections; Show collections;
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