Rename a field

javascript

db.users.updateMany({}, { $rename: { fullname: "full_name" } })

Explanation

Useful during schema evolution.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Field update operators

Increase a counter with `$inc`.

Open In sheetjavascriptsame section

Delete one or more fields from matched documents.

Open In sheetjavascriptsame section

Set a field to the current date.

Open In sheetjavascriptsame section

Push one item onto an array field.

Open In sheetjavascript1 tag match

Use `$addToSet` to avoid duplicates.

Open In sheetjavascript1 tag match

Delete matching values from an array.

Open In sheetjavascript1 tag match