In this day and age, the amount of data in any organization is overflowing, so, to keep it organized, databases are required. Formerly, databases on-premises were used which took too much time and was costly. AWS databases help with the transition to a modernized database with Duolingo and Airbnb as examples of their success.
Uploading data onto the cloud is the stepping stone of the new era of purpose-built databases. The given whitepaper discusses the types of databases preferred according to the needs of the organization other than just relational databases, that is, Graph, Kay value, Time Series, Document, Ledger, and in-memory databases discussed with their respective uses, strengths, and challenges.