Features you probably think require Active Data Guard, but they do not
Introduction In addition to its data protection capabilities, Oracle Data Guard provides additional features for workload scale-out, backup offload, and online maintenance and upgrade operations. Some features require the Active Data Guard (ADG) option license, and some do not. Sometimes the “little things” you need to be aware of make the difference. This blog post…
Get started with Oracle Application Continuity
Introduction Oracle Application Continuity is the high availability feature for your application. Database planned maintenance and outage events no longer impact applications availability. Do you want to learn how, try it, and implement it in production? But where to start from documentation, white papers, blog posts, videos, demos, and hands-on labs? This blog post gives…
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Introduction Oracle Database is very well known for its high availability and disaster recovery capabilities using Oracle RAC and Oracle (Active) Data Guard. Maintenance operations like patching and upgrade, failures like database server or database instance crashes, and even complete data center outages have no to minimal impact on database availability. However, what happens on…
How to Survive a Session Interruption on Oracle Autonomous Database
Introduction Oracle Autonomous Database is based on Oracle RAC and Exadata and hence, highly available by design. But how about your application? What happens to sessions getting interrupted by a maintenance event (e.g., patching), a local failure (e.g., instance crash), or (accidentally) terminated by a KILL SESSION command? Let’s give it a try! You can…
How to connect to a VM DB System via Oracle Database Service for Azure (ODSA)
Introduction After creating a VM DB System via Oracle Database Service for Azure (ODSA) in the previous blog post, we are going to see how to connect to the database host via SSH and to the CDB and PDB via SQL*Net from an Azure virtual machine, where usually your application will be running. The Environment…
How to create a VM DB System via Oracle Database Service for Azure (ODSA)
Introduction Oracle Database Service for Azure (ODSA) automates and simplifies the Interconnect between Azure and Oracle Cloud. Additionally, it provides a Multicloud portal to create Oracle Databases with the same Azure portal experience. As of today, you can use ODSA for the following Oracle Database Cloud Services: This blog post provides a step-by-step guide to…
A Step-by-Step Guide to Create and Enable Oracle Data Guard Far Sync
Introduction After introducing Far Sync instances and discussing their benefits in previous blog posts, this blog post provides a step-by-step guide to building a Far Sync instance and adding it to an existing Data Guard configuration. Parameters and directory paths used here are examples to make the setup easy to understand. Choose appropriate parameters and…
Ensure Zero Data Loss at any Distance by using Oracle Data Guard Far Sync
Introduction Oracle Data Guard enables you to transport the redo to the standby database synchronously to ensure zero data loss. However, when the standby database is geographically too far, the latency becomes higher, impacting the commit response time and the transaction throughput at the primary database. Oracle Active Data Guard Far Sync can ensure zero…
Learn Something New in Oracle Cloud Every Day
Starting with four commercial regions, Oracle Cloud has grown to 36 commercial regions in the last few years. And more to come. Additional services and features are being continuously released. In 2022, there were 462 new release notes. This is more than one release note per day. Oracle Databases in OCI got 42 release notes.…
Your Options for Multicloud Network Connectivity
Introduction In previous blog posts, we talked about the benefits and considerations of multicloud. As cross-cloud network connectivity is a crucial part of multicloud deployments, this blog post discusses the options to connect Oracle Cloud to other Public Clouds. It highlights their latency, bandwidth, availability, reliability, costs, and more characteristics. Site-to-Site IPsec VPN Site-to-site Virtual…
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