Amazon Relational Database Service (Amazon RDS) makes it easy to set up, operate, and scale a relational database in the cloud. It provides cost-efficient and resizable capacity while managing time-consuming database management tasks, freeing you up to focus on your applications and business.
Microsoft Azure Blob storage is a cloud computing PaaS that stores unstructured data in the cloud as objects/blobs. Blob storage can store any type of text or binary data, including documents, media files, and application installers.