Piyush Tech Blog

To export JSON from MongoDB Collection   mongoexport -h replicaSet/primaryHost,secondaryHost -u username -p pwd --db dbName -c collectionName --quiet > collectionExport.json To export BSON from MongoDB Collection mongodump -h replicaSet/primaryHost,secondaryHost -u username -p pwd --db dbName -c collectionName -o - > collectionDump.bson To export some fields in csv from MongoDB Collection mongoexport --host primaryHost --db dbName --collection collectionName --fields 'field1,field2,field3' --out collection.csv --csv -u userName -p To run javascript on MongoDB mongo replicaSet/primaryHost,secondaryHost/dbName -u userName mongoScript.js -p To restore bson in MongoDB mongorestore --host primaryHost --db dbName --collection collectionName -u userName -p --drop  collectionName .bson