🔴 #15: MongoDB Comparison Query Operators using Mongoose and Node(Express JS) in Hindi in 2020

Welcome, we will see MongoDB – Comparison Query Operators
MongoDB uses various comparison query operators to compare the values of the documents. The following table contains the comparison query operators:

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OPERATORS DESCRIPTION
$eq It is used to match the values of the fields that are equal to a specified value.
$ne It is used to match all values of the field that are not equal to a specified value.
$gt It is used to match the values of the fields that are greater than a specified value.
$gte It is used to match the values of the fields that are greater than equal to the specified value.
$lt It is used to match values of the fields that are less than a specified value
$lte It is used to match values of the fields that are less than equals to the specified value
$in It is used to match any of the values specified in an array.
$nin It is used to match none of the values specified in an array.

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