IoT Hub is a managed service, hosted in the cloud, that acts as a central message hub for bi-directional communication between your IoT application and the devices it manages. You can use Azure IoT Hub to build IoT solutions with reliable and secure communications between millions of IoT devices and a cloud-hosted solution backend. You can connect virtually any device to IoT Hub.
Azure Database for MySQL provides fully managed, enterprise-ready community MySQL database as a service. The MySQL Community edition helps you easily lift and shift to the cloud, using languages and frameworks of your choice. On top of that, you get built-in high availability and dynamic scaling, helping you easily adjust to changes in customer demands. Additionally, you benefit from the unparalleled security and compliance, including Azure IP advantage, as well as Azure’s industry leading reach. All this with a flexible pricing model so you can choose resources for your workload with no hidden cost.
Azure Stack is a hybrid cloud computing software solution developed by Microsoft based on the company's Azure cloud platform. Azure Stack is designed to help organizations deliver Azure services from their own data center. Azure Stack combines infrastructure-as-a-service (IaaS) and platform-as-a-service (PaaS) services in a software stack that spans on-premises datacenter environments as well as Microsoft's Azure cloud. Azure and Azure Stack share a standardized architecture, including the same portal, a unified application model and common DevOps tools.