What? You still think RAC is the answer for your high end database platform requirements even with SQL Server 2012 & SQL Azure now released! Time to think again

If you really have a requirement for scaling out your database workload today then an option that is available to you is the public cloud with SQL Azure. This enables you to future proof your architecture and manage the scale without the complexity and overhead of managing the infrastructure. You can be future proofed by allowing you to scale to much large number of nodes such as hundreds (through Federation) as opposed to the outdated RACs limitation of less than 10-20 nodes.

On premise SQL Server also scales tremendously well with the latest Intel architecture of 10 cores allowing you to address 256 logical processors and beyond when Windows Server 8 becomes available. With SQL Server 2012s AlwaysOn capability that provides high availability, disaster recovery and active secondaries this enables your application to be up for the required 9s.


Following are some customers who have switched to SQL Server after implementing/evaluating Oracle RAC

· City of Virginia Beach: “Based on our experience with Oracle RAC, we knew that a Microsoft high-availability solution would be much easier to implement, simpler to support, and less expensive. The licensing cost for SQL Server 2012 for our particular configuration is about $120,000 less than for an Oracle RAC solution.” - Elena Balitsky, Team Leader, Database Administration Group

· Carter Holt Harvey: Building manufacturer chose SQL Server after looking at Oracle RAC on Linux, Oracle RAC on Unix, and SQL Server on Windows. “SQL Server on Windows has proven to be highly cost effective compared with our previous system” – Chris Lowe, Architect

· Powerco: “When we first set up Oracle we configured Oracle RAC to support active/active clusters, high availability and automatic failover. However, Microsoft SQL Server has many of the same features and we can get the same redundancy from SQL Server as we can from Oracle. We’ve saved a significant amount of money, almost $390,000 per annum, in migrating from Oracle to SQL Server. We’ve been able to save on rack space, reduce hardware, maintenance and licensing costs and have created numerous efficiencies through simplifying the server environment” – Huw Griffiths, Infrastructure Manager



· Why Not Oracle RAC white paper

· Scaling Out SQL Server 2012 white paper

· SQL Server 2012 Gives You More Advanced Features (Out-Of-The-Box) white paper

· 3rd party Oracle Exadata Comparison white paper

· SQL Server 2012 Licensing Value vs. Oracle white paper

· 3rd party SQL Server 2012 Has Better Value Than Oracle article

· 3rd party Oracle Database Appliance Compete white paper

Comments (7)
  1. Anonymous says:

    Nice info on the Oracle RAC and SQL server always on. I guess RAC is the only comparison point left between Oracle and SQL server.

  2. Lackshu Bala says:

    Nice write up Shashank. I will be sharing this with a customer who's a firm believer in RAC. I want him to see the big picture. 🙂

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