Answers for "$unwind mongodb"

2

mongodb unwind

{
  $unwind:
    {
      path: <field path>,
      includeArrayIndex: <string>,
      // to include documents whose sizes field is null, missing, or an empty array.
      preserveNullAndEmptyArrays: <boolean>
    }
}
Posted by: Guest on July-23-2020
0

$unwind mongodb

unwind mongodb
Posted by: Guest on August-19-2021
0

Unwind Mongodb

db.vehicledetails.aggregate([{$unwind : {path: "$model_year", preserveNullAndEmptyArrays: true}}]).pretty()
Posted by: Guest on August-25-2021

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