PART 7 In the last few blogs we examined a variety of different NoSQL databases and considered some of their appropriate domains and use cases. In this edition we conclude our multi-part database blog series by considering Graph database offerings from different vendors. This is done in an attempt to highlight some of the key […]
PART 6 In the last blog we considered different Wide Column Store databases and examined some facets of performance and associated costs. In this blog we look at another type of NoSQL databases, the much simpler Key Value Stores. Offerings from different vendors and examined in an attempt to highlight some of the key differences […]
PART 5 In the last blogs we examined a variety of different database types and considered some of their appropriate domains and use cases. In this blog we look at actual NoSQL Wide Column Store offerings from different vendors, in an attempt to highlight some of the key differences between otherwise similar technologies. We also […]
PART 3 In the last blogs we examined a variety of different database types and considered some of their appropriate domains and use cases. In this blog we look at actual DBMS offerings from different vendors within each database type, starting with Relational databases and moving on to different types of NoSQL in future blogs. […]
PART 2 This is the second blog in our series comparing different database management systems. In the last blog we looked at different data structures and their corresponding database management systems. In this part of the blog series we will consider different use cases best suited to each system. Introduction All Database Management Systems have […]
Introduction With so many options and a consistently growing number of new technologies becoming available every year, the world of databases and data stores can be confusing or hard to keep up with. And with Oracle’s recent 18c release being mainly based around their autonomous database which may revolutionize the DBA domain all together, we […]
Although Larry started his presentation last week with a small faux-pas and members of the audience had to wait for the correct slides, waiting is definitely not something customers can expect from the Oracle Cloud with the new 18c Database. Everything will be better, faster, and most importantly “self-driving”. Highlights of the launch featured the […]
PART 4 In the last blog we examined different relational database offerings and considered some of their unique features and differences. In this blog we will compare and evaluate different NoSQL offerings, starting with Document Stores. This is done in an attempt to highlight some of the key differences between otherwise similar technologies. We also […]
The focus of this article would be cloud specific steps rather than repeating already well known steps in the net.Its purpose is only to give you an idea for an use case and should not be used in a production environment. The high level setup: Source:Two nodes (VirtualBox) Oracle Linux 7.Oracle Grid Infrastructure 12.2 .Oracle […]
High Level Project description In this article we describe migration of Standalone Oracle DB to 2 Node RAC with Physical Standby, from one datacenter (DC1) into another datacenter (DC2) without direct connectivity between the datacenters. The goal is to switch to DC2, and in DC2 “RAC primary + standby” configuration needed to be activated immediately. […]