Mongodb - Change db name

Question

How do i change a db name in mongodb? Simple question but i can't find anything online on how to do this. I don't want to have to rebuild my entire database, i just simple want to change the name of it. thanks.

Just be careful while renaming you must not mess up with copying the collections to existing database. Checkout my answer https://stackoverflow.com/a/44986052/1696621 — Channaveer Hakari, Jul 08 '17 at 12:08

score 19 · Answer 1 · answered Sep 10 '15 at 06:24

19

Simple use this :

db.copyDatabase("old_db_name","new_db_name","localhost")
use old_db_name
db.dropDatabase();

answered Sep 10 '15 at 06:24

Just be careful while renaming you must not mess up with copying the collections to existing database. Checkout my answer https://stackoverflow.com/a/44986052/1696621 – Channaveer Hakari Jul 08 '17 at 12:07
1

Can be used upto 4.0 version. – Ajay Takur Nov 27 '20 at 08:07

score 10 · Accepted Answer · answered Mar 04 '12 at 19:08

10

The only way is to clone the database to one of a different name

http://www.mongodb.org/display/DOCS/Copy+Database+Commands

You could go here and vote for that feature

answered Mar 04 '12 at 19:08

kelloti

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score 4 · Answer 3 · answered Apr 13 '20 at 04:45

Starting in version 4.2, MongoDB removes the deprecated copydb command. Also, db.copyDatabase() and db.cloneDatabase() can only be run when connected to MongoDB 4.0 or earlier.

Use this approach for version 4.2 as mentioned at mongoDB manual

Use mongodump to dump the test database to an archive mongodump-test-db:

mongodump --archive="mongodump-test-db" --db=test

Use mongorestore with --nsFrom and --nsTo to restore (with database name change) from the archive:

mongorestore --archive="mongodump-test-db" --nsFrom='test.*' --nsTo='examples.*'

score 3 · Answer 4 · answered Mar 27 '15 at 12:42

3

You can dump database

./mongodump -d mydb

rename folder

mv /path/to/dump/folder/mydb /path/to/dump/folder/mynewdb

and then restore

./mongorestore

answered Mar 27 '15 at 12:42

Alexander Serkin

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Mongodb - Change db name

4 Answers4