MongoDB stores documents in BSON, which is the binary encoded format of JSON. Basically, the name BSON itself comes from Binary encoded JSON. The BSON data format provides various types, used when we store the JavaScript objects in the binary form. We can make remote procedure calls in MongoDB by using BSON. All the BSON data-types are supported in MongoDB. Below are the enlisted MongoDB data types. Each MongoDB datatypes corresponds a unique number which is used to identify them in $type method.
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