DP-900 Question 34

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• 1

  PostgreSQL on Azure VMs: Infrastructure as a service (IaaS). Running a database engine (like PostgreSQL) on a Virtual Machine gives you full control over the OS and the software stack, which is the definition of IaaS. Azure Database for PostgreSQL: Platform as a service (PaaS). Azure Database for PostgreSQL is a fully managed database service where Azure handles patching, backups, and high availability, which is the definition of PaaS.

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  PostgreSQL on Azure VMs 1. IaaS (Infrastructure as a Service) Deploying PostgreSQL on an Azure Virtual Machine means you are responsible for managing the virtualized infrastructure, including the operating system, database installation, updates, and backups. This falls under the IaaS model. Azure Database for PostgreSQL 2. PaaS (Platform as a Service) Azure Database for PostgreSQL is a fully managed database service where Azure handles the infrastructure, scaling, updates, backups, and security. You only manage the database and data, making it a PaaS solution.

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  IaaS and PaaS