Answers for "mongodb blank array query"

4

mongodb filter empty array

db.collection.find({arrayElementName : {$exists:true, $size:0}})
Posted by: Guest on May-07-2020
1

mongodb empty an array field

db.collection.update({}, { $set : {'myArray': [] }} , {multi:true} )
Posted by: Guest on December-16-2020

Code answers related to "Javascript"

Browse Popular Code Answers by Language