How databases in Cloud computing are different from traditional databases?

In a Cloud environment,companies often use different kind of datato store. Thereare datalikeemail, images, video, pdf, graph etc. in a Cloud
environment. To storethis data oftenNoSQL databasesare used.

ANoSQL databaselike MongoDBprovides storageand retrieval of datathatcannot bestored efficiently in atraditionalRDBMS.

Databaselike Neo4J provides features to store graph datalike Facebook, LinkedIn etc. in acloud environment.

Hadoop like database help in storingBigData based information. Itcan handle very large-scaleinformation that is generated in alarge-scale
environment.