Must Read Oracle Database Cloud Service Overview and various options



Introduction to Oracle Database Cloud Service

Oracle database cloud service is an service of Cloud Category PaaS. It enables businesses to reap all the benefits of Platform as a Service, including subscription-based, self-service access to reliable, scalable, and elastic cloud environments.

Earliar you need to purchase hardware ,install OS and then install Oracle software and create database for using the database. Now You can be up and running in minutes, without purchasing and maintaining hardware with Oracle Database Cloud Service

Oracle database on Oracle Database Cloud Service is same as on premises.There are no changes to the Oracle database which also means there are no new tools or skills to learn. It’s the same software with the same standards, and there are no code changes. When you leverage DBCS, your developers can start innovating right away instead of waiting for weeks for IT to provide new infrastructure and spin up new databases.

Oracle database on Oracle database cloud service are 100% compatible with those deployed on-premises, ensuring a smooth transition to the cloud, and an efficient hybrid cloud strategy.

Apart from all the things mentioned above, critical database administration tasks such as setting up an Oracle RAC environment , patching, upgrades, backup, and recovery can be performed with a few clicks, enabling your DBAs and IT staff to focus on strategic activities and projects. When this happens, operating costs plummet, productivity soars, and the pace of innovation accelerates.

Oracle Cloud provides several Oracle Cloud Service deployment choices. These choices allow you to start at the cost and capability level suitable to your use case and then gives you the flexibility to adapt as your requirements change over time. Choices include: single schemas, dedicated pluggable databases, virtualized databases, bare metal databases and databases running on world class engineered infrastructure.

Let’s check out in details for each of these

a) Oracle Database Cloud Service (DBCS)

Database Cloud Service lets you choose pay-per-use hourly metered or subscription of Oracle 11g, 12.1 and 12.2 database services. Automated provision of high availability configurations to elevate your SLAs for maintenance or unexpected failure scenarios.

Oracle Database Cloud Service provides you the ability to deploy Oracle databases in the Cloud, with each database deployment containing a single Oracle database. You have full access to the features and operations available with Oracle Database, but with Oracle providing the computing power, physical storage and (optionally) tooling to simplify routine database maintenance and management operations

When you create database deployments, Database Cloud Service creates compute nodes to host the database, using computing and storage resources provided by Oracle Compute Cloud Service.

Oracle provide root access to the compute nodes (and thus to the database) using networking resources provided by Oracle Compute Cloud Service. You are responsibile for the patching,backup ,administration of the oracle database using cloud tools provided. You have full administrative privelege and full control of the database

You are responsible for making any changes to the automated maintenance setup, and you are responsible for recovery operations in the event of a failure.

 

b) Oracle Database Cloud Service – Bare Metal

Bare Metal is Oracle next generation cloud services.Bare metal cloud consists of features line Regions and Availability Domains, a modern network infrastructure, Virtual Cloud Network and high-performance compute infrastructure

Cloud Database Service on bare metal offers on-demand, pay-per-use database services with the performance of dedicated hardware and local NVMe storage, and the reliability of RAC, on a low latency, highly configurable, and secure Virtual Cloud Network.

The High I/O or Dense I/O configuration consists of a single Oracle 11g or 12c database instance on 2 OCPUs, with the ability to dynamically scale up to 36 OCPUs without downtime. Select one of four editions of Oracle Database Cloud Service – Standard, Enterprise Edition, Enterprise Edition High Performance, and Enterprise Edition Extreme Performance. The storage configuration for these shapes are: Bare Metal High I/O (12.8 TB NVMe SSD raw, ~3.5 TB with 2-way mirroring, ~2.3 TB with 3-way mirroring) and Bare Metal Dense I/O (28.8 TB NVMe SSD raw, ~9.4 TB with 2-way mirroring, ~5.4 TB with 3-way mirroring).

The 2-node RAC configuration consists of two Oracle 11g or 12c Enterprise Edition Extreme Performance database instances with local shared SSD Storage on 4 OCPUs (2 OCPUs per server). 2-node RAC scales dynamically up to 72 OCPUs without downtime. The storage configuration for 2-node RAC instance is 24 TB SSD raw, ~8.6 TB with 2-way mirroring, ~5.2 TB with 3-way mirroring.

 

c) Oracle Database Exadata Cloud Service

Oracle Database Cloud Service

As you all know Oracle database is world most powerful database and Oracle exadata is the most powerful database platform ,The Oracle Database Exadata Cloud Service delivers the world’s best cloud database platform by combining both these , and adding the simplicity and cost effectiveness of the public cloud.

The Exadata Cloud Service enables customers to run Oracle databases in the cloud and still have available the same extreme performance and availability experienced by thousands of organizations deploying Exadata on premises. Oracle databases deployed in the cloud are 100% compatible with those deployed on premises, ensuring
a smooth transition to the cloud and an efficient hybrid cloud strategy. With pay-as you-grow dedicated Exadata configurations, and infrastructure managed by Oracle experts, the Exadata Cloud Service combines business agility and operational flexibility with zero capital expenditure.

All of Oracle’s industry-leading database capabilities and options are included with the Exadata Service. Notable examples include In-Memory Database, Real Application Clusters (RAC), Active Data Guard, Automatic Storage Management (ASM), Partitioning, Advanced Compression, Advanced Security, Database Vault, Real Application
Testing, OLAP, Advanced Analytics, Spatial, and Graph.

 

Customers have complete access to all Oracle Database and OS features to ensure smooth and simple migration from on-premises Oracle deployments to Exadata Cloud Service. Each Exadata Cloud Service instance is configured such that there is a single Virtual Machine (VM), called the domU, which is owned by the customer, in each database server of the Exadata system. Customers have root privileges for the Exadata database server domU and DBA privileges on the Oracle databases.

 

d) Oracle Exadata Cloud Machine

Some of the customers has data, governance, and control requirements that preclude a pure cloud deployment. For example, some industries and businesses must comply with regulatory, legal, and privacy requirements demanding that sensitive data be stored on premises. These organizations may also have custom security requirements.
Customers may also need or want to maintain full control over business-critical systems, for example in deploying their own firewalls, load balancers, hardware VPNs, and so on. So it was not possible for them to get the benefits of Public cloud deplopyment

Oracle now also offers the Oracle Cloud Machine (OCM), which enables you to leverage exactly the same IaaS and PaaS capabilities as Oracle Cloud, but in your own data center. You can leverage cloud innovations while meeting all of your data sovereignty, privacy, and control requirements. The OCM solution allows you to concentrate
on tasks that add value to your business, while Oracle installs, maintains, and manages the hardware and the IaaS and PaaS services running on that hardware

Exadata Cloud Machine uniquely combines the world’s #1 database technology and Exadata, the most powerful database platform, with the simplicity, agility and elasticity of a cloud-based deployment. It is identical to Oracle’s Exadata public cloud service, but located in customers’ own data centers and managed by Oracle Cloud Experts.

Every Oracle Database and Exadata feature and option is included with the Exadata Cloud Machine subscription, ensuring highest performance, best availability, most effective security and simplest management. Databases deployed on Exadata Cloud Machine are 100% compatible with existing on-premises databases, or databases that are deployed in Oracle’s public cloud.

 

e) Oracle Database Exadata Express Cloud Service – Managed

Exadata Express provides your own Oracle Database Enterprise Edition running the latest database release on Exadata for a full Oracle experience. It’s a fully managed service packed with features for modern application development and great for small to medium sized data.

 

f) Oracle Database Schema Cloud Service – Managed

Schema Service runs Application Express (APEX), giving customers a declarative development environment to rapidly create data-rich web apps.

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