Thursday Sep 26, 2013

OOW13 Going out with a Bang!

It's the final day of Open World 2013 today but we Multitenant types are going out with a bang, not a whimper! See our Focus on Multitenant page for today's events. 
  • DemoGrounds are all closed up now but we have a double header of presentations:
  • 1st up CON8726 Instantaneous Database Clones w/ #OracleMultitenant Option. Moscone South 200 12:30pm. I'll be joined by CMTS Margaret Susairaj.
  • My final presentation of #OOW13. Duet with Mr RAC, aka Markus Michalewicz. CON8706 #OracleMultitenant meets RAC. What a great combo! 
  • Sandwiched in the middle there is our final hands-on-lab. 
And that's all for Open World 2013! What a great event this has been! Many thanks to all our customers and partners for your interest, enthusiasm and support. We're delighted that Oracle Multitenant has been so well received. We look forward to working with you and hearing about your success stories as you roll this exciting new technology out in your organizations.

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Wednesday Sep 25, 2013

Wednesday is Appreciation Day!

Focus on Multitenant shows that we have no presentations today. However, this is the last day of our DemoPod #SL023. If you haven't picked up your Oracle PDB USB stick, this may be your last chance.

We've been giving out copies of Oracle Multitenant for Dummies in our Hands on Labs. In case you haven't had a chance to participate in a lab, you can download a PDF version of this from here.  

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Tuesday Sep 24, 2013

Tuesday in San Francisco

See our Focus on Multitenant page for today's events. 

I'm really looking forward to a deep-dive session with Architect Kumar Rajamani and Consulting Member of Technical Staff Jaebock Lee. Session CON8725 Behind the scenes of Oracle Multitenant. Noon today in Moscone South 252. There's a lot to cover in an hour but we plan to get in to several topics in depth. 

If you are lucky enough to see Andy Mendelsohn's keynote yesterday you were probably wowed by that Multitenant Self-Service Provisioning App. Have you see it yet? It's awesome. 

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Monday Sep 23, 2013

First Full Day of Open World 2013

Several sessions of interest to Multitenant enthusiasts today. Details are in our Focus on Multitenant page but here are some highlights:
  • Catch my presentation CON8707 Consolidating Databases with Oracle Database 12c. 12:15pm today in Moscone South 102.
  • Of course, don't miss Andy Mendelsohn's keynote presentation this morning. 
  • Have you got your own Oracle PDB USB stick yet? If not, come on over to our DemoPod, #SL023, to talk to our engineers and pick one up. You've seen them flying around in the PowerPoints. Time to get one in your own hands - or better still, plugged into your computer. 
  • Yes of course there's a PDB on there! If you've got a CDB all ready to go, you should be set to plug it in. 

Don't worry if you haven't got a CDB, though. There's also a VM on the USB stick. Open the ReadMe and follow the instructions to download and install Oracle Virtual Box. Then you can import this appliance and you're ready to go. It's a VM running Oracle Linux with a CDB and all sorts of PDB goodies in there. I don't want to spoil the surpriseā€¦ have a look for yourself! 

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Sunday Sep 22, 2013

Showtime!

The build-up is finally over! Oracle Open World San Francisco kicks off today with Larry Ellison's keynote address at 6pm. Some fabulous announcements in store... Just in case you miss it here are some about Oracle Multitenant. We've got an Oracle PDB USB stick waiting for you at Demo Pod SL023. You can also go to the OTN Lounge Sunday afternoon or else Monday & Tuesday at 10am for guidance on how to set it up. It looks great but the beauty is more than skin deep. 

You can check our Focus on Oracle Multitenant Page for some of the major Multitenant-related events during the week. There are separate sections for sessions, demos and hands-on-labs. 

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Sunday Sep 01, 2013

Single Tenant Configuration

In Oracle Database 12c, Multitenant is a pure deployment choice. It is possible to upgrade from, say, Oracle Database 11g to Oracle Database 12c, non-CDB and stop there. Of course I wouldn't recommend it! I would encourage every customer to take the next step and adopt that database as a PDB by plugging it into a CDB. Note that if that is the only PDB plugged into the CDB this is what we call the single tenant configuration (using the multitenant architecture). The single tenant configuration does not require nor trigger the Multitenant licensed option. 

So, in summary, with Oracle Database 12c you have three choices:
  1. Non-CDB (the old architecture).
  2. Multitenant architecture in single tenant configuration (one PDB per CDB). No license required.
  3. Multitenant architecture with multiple PDBs per CDB. Requires licensed option but of course you can manage many as one and get all the other benefits.
An interesting question of course is, what's the point of the single tenant configuration? Well, there are still some advantages:
  1. You will be able to upgrade (beyond 12.1.0.1 - say to 12.1.0.2) via unplug/plug, which we expect to be significantly faster than a "full upgrade".
  2. Unplug/plug has intrinsic value as what my colleague, Distinguished Product Manager Bryn Llewellyn (author of the excellent Multitenant White Paper), calls "Third generation Data Pump". In other words, if Data Pump (using "full database" exp/imp) is valuable (and we must assume that it is!) then unplug/plug is yet more valuable for the same use cases. This by no means implies crossing Oracle Database software version. But that is among the use cases (also for Data Pump, of course).
  3. You can clone from a PDB in a single tenant configuration CDB into a different, as yet empty, CDB.
  4. It enforces the "separation of duties" between the CDB Admin and the PDB Admin.
  5. Eventually there will only be one architecture and if you don't pay for the Multitenant option you'll have to run in single tenant configuration. Get used to it now!

Each of these is an advantage over the non-CDB architecture. What I like about the single tenant configuration is that, even without requiring a license, it demonstrates a few of the key benefits of the new multitenant architecture. In this way customers can become confident of the new capabilities at no cost. Of course many of the key cost-savings benefits - CapEx reduction by consolidating multiple applications per server and OpEx reductions by managing many as one (retaining granular control where appropriate) only come from the true multitenant use case. But the single tenant configuration is a great way to dip one's toes in the water.

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About

The is blog is about Oracle Multitenant, new with Oracle Database 12c. It is written by members of the development team. Our goal is to provide an insight into the new architecture, the capabilities it enables, some primary use cases and its major benefits. The views expressed on this blog are our own and do not necessarily reflect the views of Oracle and its affiliates. The views and opinions expressed by visitors on this blog are theirs solely and may not reflect ours.

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