How does MongoDB organize data?

What sorting algorithm does MongoDB use?

Limit Results You can use sort() in conjunction with limit() to return the first (in terms of the sort order) k documents, where k is the specified limit. If MongoDB cannot obtain the sort order via an index scan, then MongoDB uses a top-k sort algorithm.

How does MongoDB store data on disk?

MongoDB stores the data on the disk as BSON in your data path directory, which is usually /data/db. There should be two files per collection there, collection. 0, which stores the data (and that integer is then incremented as needs be) and collection. ns which stores the namespacing metadata for the collection.

Does MongoDB keep order?

yep MongoDB keeps the order of the array.. just like Javascript engines..

Is MongoDB a data structure?

MongoDB is a document-oriented NoSQL database used for high volume data storage. Instead of using tables and rows as in the traditional relational databases, MongoDB makes use of collections and documents. Documents consist of key-value pairs which are the basic unit of data in MongoDB.