How to use mongodump for 1 collection
问题 How can I use mongodump to move a single collection from one database to another? How should I use the command and its options? 回答1: I think it's just: mongodump --db=<old_db_name> --collection=<collection_name> --out=data/ mongorestore --db=<new_db_name> --collection=<collection_name> data/<db_name>/<collection_name>.bson Also see docs here and here. Btw, the other way to move the collection from one database to another is to use renameCollection : db.runCommand({renameCollection:"<old_db