Hi guys I have 40 million documents in mongodb, I

Question

have to update the field name of all the documents from "FULLNAME" to "fullname", how can I do it in one go?

#english #programming

0

27.12.2019

13 просмотров

https://docs.mongodb.com/manual/reference/operator/update/rename/ Hope this helps

0

27.12.2019

Ishan Jain · Accepted Answer

stop the app accessing the db for a little bit, Run an update query on all docs, Update the app to make sure it’s aware of the change and start it

0

27.12.2019