mongo change all documents on field
//Update all documents with "oldName" to "newName"
db.names.updateMany({ "name": "oldName" }, { $set: { "name" : "newName" } })mongo change all documents on field
//Update all documents with "oldName" to "newName"
db.names.updateMany({ "name": "oldName" }, { $set: { "name" : "newName" } })mongodb update all items in array
// If array field not in find, use $[]
db.products.updateMany({}, {
$set:{ "variants.$[]._id": new ObjectId() }
})Copyright © 2021 Codeinu
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