mongodb make query json size greater than 1 code example

Example 1: query document array size greater than 1

// Find all docs that have at least two name array elements.
db.accommodations.find({'name.1': {$exists: true}})

Example 2: mongodb count array size

db.inventory.aggregate([
   {
      $project: {
         item: 1,
         numberOfColors: { $cond: { if: { $isArray: "$colors" }, then: { $size: "$colors" }, else: "NA"} }
      }
   }
] )