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mongodb update all items in array Code Example
mongodb find and update array item by id 
db.myCollection.update({"_id" : 1, "lb.id" : 2},{$set : {"lb.$.sc" : 17}})
mongodb update all items in array 
// If array field not in find, use $[]
db.products.updateMany({}, {
  $set:{ "variants.$[]._id": new ObjectId() }
})



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Type:
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Category:
 Coding
Sub Category:
 Code Example
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Horje