mongodb query to check empty array

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showing results for - "mongodb query to check empty array"
Cristina
07 May 2019
1collection.find({ arrayElementName: { $exists: true, $not: {$size: 0} } })
Tidiane
29 Feb 2016
1db.collection.update({}, { $set : {'myArray': [] }} , {multi:true} )
2
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