Exadata Quick Reference: Oracle Exadata Utilities

We have started the sequence of posts for Oracle Exadata Quick Reference which will include Exadata Commands, Utilities, Patching commands, quick overview of exadata features, Exadata parameters, wait events etc...

Agenda for this sequence is to review the exadata quickly in shorter time which also can help for interview preparation. Also it can help for exadata administrator to get the data quickly.

Following are the Oracle Exadata Utilities which are available as of now.


dbmcli 
Command-line administration tool for configuring database servers, and managing objects in the server environment.  

cellcli
Command-line administration tool for Oracle Exadata Storage Server Software 

dcli
Runs commands on multiple compute nodes and cells in parallel threads 

exacli
Command-line administration tool for Oracle Exadata Storage Server Software. It runs on compute nodes and enables you to manage cells remotely. 

exadcli
The exadcli utility runs commands on multiple cells in parallel threads. You can issue an ExaCLI command to be run on multiple cells. 

OEDA
The Exadata Deployment Assistant tool used to gather the information needed to deploy the Exadata Database Machine. The information entered in the tool is used to create the configuration files used to deploy the machine. 

checkip.sh
Run the Network Check script on the network where the machine will be deployed to validate the specified names and IP addresses have been added correctly to the name server, and they do not conflict with the existing network configuration.   

exachk
Exachk utility used to conduct a comprehensive Exadata Health Check on Exadata Database Machine to validate hardware, firmware and configuration. 

Cloud Edition: Oracle Exadata Interview Questions and Answers

What kind of subscription options exists for Oracle Database Exadata Cloud Service?
  • Non-metered Subscription 
  • Metered Subscription 

What mean by Non-metered Subscription?
A non-metered subscription is an agreement to purchase a specific number of service units over a specific term. Consequently, the charge for a non-metered subscription is not related to actual service usage. Non-metered subscriptions are also referred to as standard subscriptions.

What mean by Metered Subscription?
Metered Subscription — With a metered subscription, you are charged based on your service usage. 

Two varieties exist:  
  • Pre-Paid — With a pre-paid subscription you pay an up-front amount to establish an account that is consumed as you use a service. 
  • Pay As You Go — With a pay as you go subscription you do not pay an upfront amount and are billed periodically for your actual service usage. 

What type of exadata configurations offered for oracle exadata cloud service in Oracle premises?

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Superpower = THINK+ACT+PERFORM

Oracle DBA: Moving to the Cloud

It is important to note that just because you will be moving to the cloud, it is not to say that the DBA you have in-house will be abdicating his or her responsibilities. 

There are duties and tasks that will change once the shift to the cloud occurs, but your DBA will still have a very valuable role to play in your organization. 

One of those roles is to act as a liaison between your company and the remote DBA since he has more knowledge of the inner workings of your enterprise and can offer valuable information that will then be used in the provision of quality services to you. With a better understanding of your needs, you can expect a better service from your cloud vendor.


Here we have mentioned some of the important tasks or skills which required as Cloud DBA apart from traditional DBA skills.
  • Design & Specifications of Database i.e. CPU, Memory, Disk Space, Future Growth, High Availability & Disaster Recovery (Yes even in Cloud, you have to consider HA & DR).

Introducing Oracle Exadata X7...!!!

Oracle announced the next-generation Oracle Exadata X7 with significant hardware and software enhancements in overall performance, storage capacity, network bandwidth, and automation.

Oracle Exadata is an Engineered System designed to be the ideal platform for all database workloads.  It features scale-out, database optimized compute, InfiniBand networking, and smart storage for fastest performance and low costs. Specialized algorithms vastly accelerate all types of database processing including OLTP, Analytics, and Consolidation. Exadata’s full-stack automation and optimization of all components slashes the need for skilled human labor, enabling reduced costs and improved reliability.  


Exadata’s simplicity, scalability, and reliability make it the foundation for the recently announced Oracle Autonomous Database Cloud.

Today, Exadata powers 4 out of 5 of the world’s biggest banks, telecoms, and retailers.  Exadata can be deployed on-premises, in Oracle Cloud, or using Oracle’s unique Cloud at Customer.