Modern Oracle DBA

 When you managing resources(Storage,Network,etc) in Oracle Cloud Infrastructure (OCI), understanding how to effectively use compartments, users, and groups is crucial. These elements help you organize, control access, and manage resources efficiently. What is a Compartment? A compartment in OCI is a logical container to organize and control access to your resources, such as compute instances, networks, and load balancers. Here's how you can use compartments: Compartments: Create Policies : Write policies to protect resources in specific compartments. Business Requirement s: Based on your needs, you can create multiple compartments (e.g., Finance, HR, Network). Management : For finance compartment can help manage all finance-related projects. Key Points About Compartments 1.  Root Compartment : When you create a cloud account, a root compartment is created automatically. 2.  Global Sharing : Compartments are global, meaning you can share them across regions (e.g.,       Ashburn, UK

Cloud services Models  Here we will see the simple definaltion and concepts for cloud service models. Saas Software as a services Paas Platform as a service Iaas Infrastructure as a service.   Exactly how each service differs from the other is shown in the diagram below. Traditional on-premises Everything is handled by the client. For example, we need to manage complete servers and applications, networks, operating systems, and so on. Infrastructure as a service Infrastructure side managed by the cloud vendor ex(Oracle, azure, aws) and application data Middleware and OS clint responsibility For example, it is the client's duty if an OS patch needs to be applied. Vendor responsibility if any N/W or storage-related setups   Platform as a service: - A cloud vendor will offer the services on any platform required to operate the application. Ex: Oracle of