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Tag: Oracle

  • BYO Oracle RAC on EC2

    Former work mate Jeremy Schneider is always the first to look at interesting ways to use Oracle RAC – now he’s considering to run a BYO Oracle RAC on Amazon EC2. I kinda defeats the purpose of cloud, but it’s still fun the play with. So what’s the right way to use the cloud for…

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    Markus Perdrizat

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  • Oracle Database Firewall

    Oracle recently released it’s Oracle Database Firewall. [The] release of Oracle Database Firewall is the culmination of the company’s  acquisition of database security vendor Secerno last year. The product  creates a defensive perimeter around databases by looking at SQL  statements sent to the database through the wire to determine whether to  pass, log, alert, block,…

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    Markus Perdrizat

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  • 2011 Magic Quadrant for Business Intelligence Platforms

    Gartner released it’s 2011 Magic Quadrant for Business Intelligence Platforms, and Oracle apparently is sponsoring it for the public. We have to obvious suspects in the leaders quadrant: Oracle, IBM, Microsoft and SAP, as well as a few smaller folks. Most of the remaining vendors are in the niche players quadrant, there are no visionaries…

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    Markus Perdrizat

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  • January 2011 Oracle Critical Patch Update Released

    It’s that time of the year again: January 2011 Oracle Critical Patch Update Released. People using OEM Grid Control on 11g versions and people using RAC on 10g and newer are vulnerable to remote vulnerabilities not requiring authentication, so again quite a serious CPU. Go and patch!

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    Markus Perdrizat

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  • Oracle Direct NFS Clonedb Feature

    Kevin Closson introduces us to the Oracle 11g Direct NFS Clonedb Feature in a mini-series (part 1.5). Sounds very interesting from what I hear. And I wonder if this is a(nother) sign of Oracle going against NetApp, i.e. maybe even a sign of soon to be announced features or products that will further de-value NetApp…

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    Markus Perdrizat

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  • Oracle 11g Interactive Quick Reference

    Oracle took the popular DBA Views poster and now provide a Flash based digital version for download at Oracle 11g Interactive Quick Reference. I’m not sure how helpful that’s ultimately going to be as it doesn’t allow for the same kind of visual browsing, but wanted to post this anyway. Via the Oracle DB Insider…

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    Markus Perdrizat

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  • What are the criteria used by Oracle to decide whether a vulnerability warrants a fix in the CPU?

    Oracle answer one of the most asked questions around CPUs: What are the criteria used by Oracle to decide whether a vulnerability warrants a fix in the CPU?

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    Markus Perdrizat

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  • Oracle Workload Management, No. 2

    Another one in the series of Oracle Workload Management posts: Workload Management – Based on Execution Times, about a dynamic switching system based on the optimizer’s estimate of the execution time.

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    Markus Perdrizat

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  • Create Your Own Oracle TPC-H Playground on Linux

    Husnu Sensoy lists in great detail how to Create Your Own Oracle TPC-H Playground on Linux. He doesn’t cover load generators or benchmark tools, just dbgen to generate test data. If you need more, look e.g. for Quest Benchmark Factory, which can create and benchmark all the relevant TPC-x benchmarks, also on DBs other than…

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    Markus Perdrizat

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  • Using MySQL as NoSQL

    Using MySQL as a NoSQL – A story for exceeding 750,000 qps on a commodity server – how to almost achieve double the Memcached performance using a MySQL UDF that bypasses the SQL layer, talks directly to the InnoDB layer. Wonder if the SQL overhead is similar in Oracle or MS SQL Server, and how…

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    Markus Perdrizat

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Markus Perdrizat

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