MongoDB Commands On Operators To create a collection called student data.

To get all the documents in a collection called student data without any filter.

To get all the documents whose total marks is equals to 560.

To get all the documents… Read More

MongoDB Query Operators Part-2 Element Query Operator This operator is used to find the documents based on the datatypes and the fields in a document. There are two element query operators. 1. exists ($exists) 2. type ($type) 1. exist ($exist): This operator is used to… Read More