mongodb query to check empty array
collection.find({ arrayElementName: { $exists: true, $not: {$size: 0} } })mongodb query to check empty array
collection.find({ arrayElementName: { $exists: true, $not: {$size: 0} } })mongodb empty an array field
db.collection.update({}, { $set : {'myArray': [] }} , {multi:true} )Copyright © 2021 Codeinu
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