mongodbHow to rename a field in MongoDB?
Renaming a field in MongoDB can be done using the $rename
operator. This operator takes two parameters, the first being the name of the field to be renamed and the second being the new name of the field.
For example, to rename the field name
to fullName
in the collection users
, the following command can be used:
db.users.updateMany({}, {$rename: {name: "fullName"}})
The code above will update all documents in the users
collection, renaming the name
field to fullName
.
Code explanation
-
db.users.updateMany({}, {$rename: {name: "fullName"}})
- This is the command used to update all documents in theusers
collection, renaming thename
field tofullName
. -
$rename
- This is the operator used to rename a field in MongoDB. -
name
- This is the name of the field to be renamed. -
fullName
- This is the new name of the field.
Helpful links
More of Mongodb
- How to check the version of MongoDB?
- How to use watch in MongoDB?
- How to update one document in MongoDB?
- How to update many documents in MongoDB?
- How to use MongoDB queue?
- How to create a many to many relation in MongoDB?
- How to insert new document into MongoDB?
- How to use hint in MongoDB?
- How to work with time series data in MongoDB?
- How to use unwind in MongoDB?
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