Mastering Comparison Operators in MongoDB
MongoDB queries use operators (like $eq, $gt, $lte) to filter documents.
They work inside the find() method, usually in this format:
$eq → Equal to
$ne → Not equal to
$gt → Greater than
$gte → Greater than or equal to
$lt → Less than
$lte → Less than or equal to
$in → In an array of values
$nin → Not in an array of values
These operators are always written inside { field: { operator: value } } format.
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