Articles → MONGODB → $Type Operator In Mongodb

$Type Operator In Mongodb

In this article, we will discuss the $type operator in MongoDB.

Purpose

The $type operator searches the document based on the BSON data type.

Example

Consider the following collection: -

Picture showing the sample document collection

In the above collection, we have 2 documents. The first document stores the age in number format and the other one stores age in the string format.

We are required to find the document where age is of type number. So, the query would be: -

db.Employees.find({age:{$type:'number'}})

Picture showing getting the list of collection where age is of type number

Similarly, we can find the document that contains the age in the string format.

Picture showing getting the list of collection where age is of type string

Using Array In Type

You can also specify multiple BSON types to query the collection.

Picture showing using the $type operator with an array

Posted By -	Karan Gupta

Posted On -	Monday, March 4, 2024

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