MongoDB supports the BSON format data, so there is no max length of field name. Let us first create a collection with documents − Following is the query to display all documents from a collection with the help of find () method − This will produce the following output.
What is the query language for MongoDB?
MongoDB uses JavaScript as the main query language. If you install MongoDB you will be able to see the JavaScript language interpreter is installed by default. In terms of query language you can choose from a variety of scripting languages for MongoDB like python, PHP or perl.
Are recursive queries possible on MongoDB?
MongoDB 3.4 introduces the ability to perform recursive graph queries. It was co-released last November with version 2.0 of the BI connector, which provides the ability to query MongoDB using a SQL interface through tools like Tableau and Qlik.
How big is a document in MongoDB?
MongoDB stores all documents as BSON, which is just a binary encoding of the good old JSON format. The maximum BSON document size in MongoDB is 16 MB. Which is nothing when we want to store large files like videos and songs. They might easily exceed the limit.
How to query MongoDB?
Prerequisites. A server with a regular,non-root user with sudo privileges and a firewall configured with UFW.
What is a Mongo database?
What is MongoDB . MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling. In simple words you can say that – Mongo DB is a document oriented database. It is an open source product, developed and supported by a company named 10gen.
