Author Archives: Markus Flechtner

Setting OPTIMIZER_ADAPTIVE_FEATURES in Oracle Database 12c Release 2

In Oracle Database 12c Release 2 the parameter OPTIMIZER_ADAPTIVE_FEATURES was declared “Obsolete”. It was replaced by the parameters optimizer_adaptive_statistics, optimizer_adaptive_plans and AUTO_STAT_EXTENSIONS to allow better control of the adaptive features of the optimizer but what happens, if you try the … Continue reading

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Oracle Database 12c Release 2 – Release Updates updated

Some time ago, I wrote about the Release Updates for Oracle Database 12c Release 2 (Database ). On Monday August 14th, released new Release Updates (12.2.0.1.170814) which replaces the Release Updates from July. The new patch numbers are: 26610291 for … Continue reading

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Oracle Open World 2017 – I’ll be there

For the second time, I will present at the Oracle Open World in San Francisco: Once again, thanks to EOUC and DOAG!

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Oracle Grid Infrastructure: change the interval for the Cluster Verification Utility (ora.cvu)

Since Oracle 11.2.02. Oracle has integrated the Cluster Verification Utility (CVU) as a cluster resource. It‘s invoked every 6 hours and checks of your cluster. If you think, this is too often, you can change the interval. I‘ll show you … Continue reading

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Patching Oracle 12.2 Grid Infrastructure before setting up a cluster

One of the first steps after setting up an Oracle cluster is patching the Grid Infrastructure to the most current patchlevel. Usually this has to be done on all cluster nodes separately and requires some time and effort. But what … Continue reading

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