By the time you read this, OakTable World will probably have been vanished back into the great cloud of Oracle education events. But what is/was OTW (#OTW13)?
OakTable is a collaborative effort to bring solid technology content-deep educational alternatives to the already attending (and largely ca
Monthly Archives: September 2013
12c Histograms pt.2
In part 2 of this mini-series I’ll be describing the new mechanism for the simple frequency histogram and the logic of the Top-N frequency histogram. In part 3 I’ll be looking at the new hybrid histogram.
You need to know about the approximate NDV (number of distinct values) before you start examining the 12c implementation of the frequency and top-frequency histograms – but there’s a thumbnail sketch at the end of the posting if you need a quick reminder.
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Upgrade Oracle Enterprise Manager 12c (12.1.0.2) to 12.1.0.3
And we’re still awaiting 12c Database certification for the Repository.
In order to upgrade our OEM environment from 12.1.0.2 to 12.1.0.3 we need to download the latest version of OEM from either http://otn.oracle.com or from http://edelivery.oracle.com. Once we have the files needed to upgrade, we need to stage them in a location that is central.
Note: Most downloads on Linux will be placed in the /home/oracle/Downloads directory.
Once we are in the directory where the downloaded files are, we need to unzip these files.
#> unzip em12103_linux64_disk1.zip –d ./12.1.0.3
The zip command needs to be repeated for all of the files downloaded.
Next, we need to move into the directory where we unzipped everything and run the runInstaller.
#> cd ./12.1.0.3
#> ./runInstaller &
When the installer starts, we will be greeted with our standard Oracle Installation Wizard. To upgrade the OEM to 12.1.0.3, consists of nine steps. We will review these nine steps throughout this posting.
Step…
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Thoughts from James H. Lui 
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