mongodb clone database
# Dump db to a local folder
mongodump mongodb://user:pwd@localhost/old_name -o ./dump
# Restore the db with the new name
mongorestore mongodb://user:pwd@localhost -d new_name ./dump/old_name
# Try this flag if you get an authentication error
--authenticationDatabase adminmongo copy database
Before MongoDB version 4.2
source_db.copyDatabase('destination_db')
After MongoDB version 4.2
mongodump --archive="mongodump-source-db" --db=source_db
mongorestore --archive="mongodump-source-db" --nsFrom='source_db.*' --nsTo='destination_db.*'
Or,
mongodump --archive --db=source_db | mongorestore --archive --nsFrom='source_db.*' --nsTo='destination_db.*'Copyright © 2021 Codeinu
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