Difference between MongoDB and Amazon CloudSearch

1. MongoDB : MongoDB is an open-source document-oriented database used for high volume data storage. It falls under classification of NoSQL database. NoSQL tool means that it doesn’t utilize usual rows and columns. MongoDB uses BSON (document storage format) which is binary style of JSON documents. 2. Amazon CloudSearch : It is a scalable cloud-based search service that forms part of Amazon Web Services. It is a hosted search engine service by Amazon with the data stored in the Amazon cloud. This Database supports 34 languages and its features are as follows highlighting, autocomplete, and geospatial search.
Difference between MongoDB and Amazon CloudSearch :

S.No..	MongoDB	Amazon CloudSearch
1.	It is developed By MongoDB, Inc in 2009.	It is developed By Amazon in 2012.
2.	It is Open Source.	It is commercial.
3.	Server operating systems for MongoDB is Linux, OS X, Solaris, Windows.	Server operating systems for Amazon CloudSearch is hosted.
4.	Its Primary database model is a Document store.	Its primary database model is a Search engine.
5.	It has predefined data type such as date or float.	It also has predefined data type such as date or float.
6.	It supports read-only SQL queries via the MongoDB Connector for BI.	It does not support SQL.
7.	APIs and other access methods for MongoDB is proprietary protocol using JSON.	APIs and other access methods for Amazon CloudSearch is HTTP API.
8.	It is schema free.	It supports Data Schema.
9.	It supports Server-side scripting using JavaScript.	It does not support Server-side scripting.
10.	It supports Triggers.	It does not supports Triggers.
11.	It supports Partitioning methods using Sharding.	It also supports Partitioning methods.
12.	It does not provide the concept of Referential Integrity. Hence, there is no Foreign Keys.	It also does not provides the concept of Referential Integrity. Hence, there is no Foreign Keys.
13.	It supports Multi-document ACID Transactions with snapshot isolation.	It does not support ACID properties.