Question - What Is Azure Cosmos Db?
Answer -
Azure Cosmos DB is a globally replicated, multi-model database service that that offers rich querying over schema-free data, helps deliver configurable and reliable performance, and enables rapid development. It's all achieved through a managed platform that's backed by the power and reach of Microsoft Azure.
Azure Cosmos DB is the right solution for web, mobile, gaming, and IoT applications when predictable throughput, high availability, low latency, and a schema-free data model are key requirements. It delivers schema flexibility and rich indexing, and it includes multi-document transactional support with integrated JavaScript.