MongoDB

In MongoDB, sharding means to store data on multiple machines.

MongoDB provides CRUD operations:

There are three main features of MongoDB:

It is a group of mongo instances that maintains the same dataset. Replica sets provide redundancy and high availability and...

It is a document-oriented database that is used for high availability, easy scalability, and high performance. It supports the dynamic...

The snapshot() method is used to isolate the cursors from intervening with writes. This method negotiates the index and makes sure that...

Write operations are saved in memory while journaling is going on. The on-disk journal files are really dependable for the...

MongoDB uses the reader–writer locks, allowing simultaneous readers to access any supply like a database or a collection but always offering...

When an index is too huge to fit into RAM, then MongoDB reads the index, which is faster than reading...

Once the functions are done, the old files are converted to backup files and moved to the moveChunk directory at the time...