A data protection and management company that provides services to enterprises. They must provide database services for over $55$ petabytes of data. They have two types of data that require a database solution. First, they need a relational database store for configuration data. Second, they need a store for unstructured metadata to support a de$-$duplication service. After the data is de$-$duplicated, it is stored in Amazon S$3$ for quick retrieval, and eventually moved to Amazon S$3$ Glacier for long$-$term storage. The following diagram illustrates their architecture.