Oracle Cloud Infrastructure (OCI) Part 5 – Gateways….

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…]

Get Oracle Cloud Certified, for FREE….

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…]

Oracle Multitenant New Features – Oracle Database 20c….

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…]

Understanding WHERE CURRENT OF….

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…]

Automatic Storage Management(ASM) New Features – Oracle Database 20c….

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…]

VLAN, In A Nutshell….

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…]