mongodbHow to update many documents in MongoDB?
Updating many documents in MongoDB can be done using the updateMany()
method. This method takes two parameters: a filter object and an update object. The filter object is used to specify which documents should be updated, and the update object is used to specify the changes to be made.
Example
db.collection.updateMany(
{ "name": "John" },
{ $set: { "age": 30 } }
)
Output example
{ "acknowledged" : true, "matchedCount" : 1, "modifiedCount" : 1 }
Code explanation
updateMany()
: The method used to update many documents in MongoDB.{ "name": "John" }
: The filter object used to specify which documents should be updated.{ $set: { "age": 30 } }
: The update object used to specify the changes to be made.
Helpful links
More of Mongodb
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- How to update an array element in MongoDB?
- How to empty an array in MongoDB?
- How to use transactions in MongoDB?
- How to query with "not equal" condition in MongoDB?
- How to use triggers in MongoDB?
- How to use watch in MongoDB?
- How to do text search in MongoDB?
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