Key Takeaways About $max Operator

• The $max operator in MongoDB is used to select documents where the value of a field is greater than or equal to the specified value
• It is a comparison operator that can be used in queries with find(), update(), and other methods.
• It is commonly used to filter documents based on values that are greater than or equal to a specified threshold.
• MongoDB supports limited cross-BSON comparison through Type Bracketing when using the $max operator.

MongoDB $max or maximum operator is one of the field update operators. $max operator updates the field with the specified value if the specified value is greater than the current value.

Important Points

• This operator will compare the values of different data types according to the BSON comparison order.
• You can also use this operator in embedded/nested documents using dot notation.
• You can use this operator in methods like update(), updateOne(), exist, etc. according to your requirements.
• If the given field does not exist, then this operator will create a field and set the value of that field.