Comparison Query Operators (비교쿼리 오퍼레이터)99월이 상용NoSQL, Study $eq : equal ‘=’ {<field>:{$eq:<value>} $gt : greater than ‘>’ $gte : greater than or equal ‘>=’ $in : 배열내에 특정값의 존재여부 $lt : less then ‘<‘ $lte : less then ‘<=’ $ne : not equal ‘!’ $nin : none of the values in an array