RMAN
15.09.2014

Restore all versions of the spfiles

A few months ago I showed how to restore a controlfile, when you have no idea in which backupset is the newest file http://blog.ora-600.pl/2014/04/26/oracle-myth-you-need-dbid-to-restore-the-controlfile/ On last training one of my students asked me, how to locate an appropriate spfile backup after using this trick (the restored database has a different DBID). Well, you can just […]


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TOOLS
10.09.2014

Script for metadata export in SQL*Plus

Sometimes you have to export all metadata for a schema but you have no access to data pump or other tools. SQL Developer can cause a lot of problems with referential constraints. But there is always a good old SQL*Plus 🙂 http://ora-600.pl/oinstall/metadata.sql


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INTERVIEW
26.08.2014

Interview for "IT Certification Master"

http://www.itcertificationmaster.com/become-oracle-certified-master-fun-profit-kamil-stawiarski/


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12c
17.06.2014

Oracle 12c – WITH FUNCTION

In Oracle 12c there is a possibility to define a PL/SQL function inside the "WITH" clause, which can reduce the context switching overhead. Short example:


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RAC
16.06.2014

HOWTO: Install Oracle RAC 11gR2 on VirtualBox (OEL6.4)

Install Oracle RAC 11gR2 on VirtualBox: http://www.youtube.com/playlist?list=PLqQNL6H71xCygSF_VqwM8j-Hhft4XoEEx VM templates can be found here: https://mega.co.nz/#!esp1kQQA!CUr8SlErdPppk-GkxedTUAdMpVQPrrrSI3c1ouquAhk Prezi: Route to install simple RAC


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RAC
16.06.2014

Oracle RAC 11.2.0.4 – add another ethernet to interconnect

Instead of bonding you can use Oracle cluster interconnect HAIP for using multiple ethernets. And here is how its done 🙂 At the begining I have one interconnect – eth1: To add another one (eth3), I will use an oifcfg tool: Now the restart of the CRS on all nodes is required for changes to […]


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12c
11.06.2014

Oracle Database 12c new features (Data Guard & RMAN)

Moja prezentacji z konferencji COIG http://prezi.com/ov5xbjytuzgw/?utm_campaign=share&utm_medium=copy&rc=ex0share


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29.05.2014

infoshare2014


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EXADATA
07.05.2014

Exadata – skgxpinfo returns UDP after reconfiguration

We had to change the hostnames on Exadata with one of the customers. It is a well known fact that RAC doesn’t like such changes – we had to reconfigure the cluster and after the whole process I found the funny thing: So let’s try to turn RDS on 🙂 After shutting down all cluster […]


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