In the last post, we understood what’s a Virtual Cloud Network(VCN). In this post, we shall understand how VCN works with gateways within OCI. These are, Internet Gateway NAT Gateway Dynamic Routing Gateway Service Gateway But before we talk about the available gateways within OCI, let’s understand some basics about networking. When we say there … [Read more…]
In this installment of the series of OCI fundamentals, we shall understand with networking with OCI. And in this post, we shall look at what is virtual cloud network (VCN) in OCI. Let’s get started. Virtual Cloud Network(VCN) VCN is a software based private network. Now since it’s a software-only entity, it means that for … [Read more…]
In this installment, we shall look at the storage services that are available with Oracle Cloud Infrastructure. Let’s get started. In the OCI Storage services, there are various types of storage options available. Of course, all of them offer different benefits and are meant for different use cases. Before explaining them, here is the list, … [Read more…]
In the 1st part, you saw the basics of the OCI. In this post, we shall take a look(in a very simple way) what are the compute services within OCI. Let’s get started. In OCI compute services, there are several services which are offered. Here is a list of all of them. Bare Metal Virtual … [Read more…]
Well, the times are not really good right now. Most of us, doesn’t matter where we are on this planet earth- are sitting locked down in our homes. Of course it’s hard, even when you are working from home. And watching NetFlix all day long isn’t the best use of your free time. So what … [Read more…]
Since we are all now in a lockdown, I am starting this series for those who want to learn the fundamental of Oracle Cloud Infrastructure(OCI). This first part of the series is about the architecture. Let’s get started. In the architecture of OCI, there are several main components which are important for anyone who is … [Read more…]
Continuing the series , this post is about the new features of Oracle Multitenant introduced in database 20c. Namespace Integration with Database Database Nest is an infrastructure that provides operating system resource isolation and management, file system isolation, and secure computing for CDBs and PDBs. This infrastructure enables a database instance to run in a … [Read more…]
While teaching today in the class, concept of WHERE CURRENT OF did come. Though I explained it in the session, I think it’s better to explain it with an(simple) example here. So here it goes. Whenever we process data, it’s always a good idea to have in the data set some column which will identify … [Read more…]
As mentioned in this post, this post is about Automatic Storage Management(ASM) new features in Oracle Database 20c. File Group Templates With file group templates you can customize and set default file group properties for automatically created file groups, enabling you to customize file group properties that are inherited by a number of databases. Without file group templates, if … [Read more…]
I finished teaching Exadata Administration class yesterday. As like always, there were questions asked. Since Exadata is a mix of both database and network related stuff, there were few questions which needed some explanation of the topics related to network, OS etc. One of such out-of-the-way question was about Virtual Local Area Network(VLAN) tagging? I … [Read more…]