MongoDB is a scalable, high-performance, open source NoSQL database.
It offers Ad hoc queries, Indexing, Replication, Load balancing, File storage (GridFS), Aggregation,
MapReduce and Server-side JavaScript execution. A single mongod process runs on one machine, and can host many databases.
Each database can have many Collections (Can say "tables" in RDBMS language).
The following example shows how to start MongoDB using mongod database process.
mongod.exe --dbpath "C:\mongotestdb"
Where,
--dbpath arg Directory for datafiles.
Ensure to create the directory before starting the process.