Posts by Rene Antunez

Cassandra 101 : Understanding What Cassandra Is

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As some of you may know, in my current role at Pythian I am tackling OSDB, and Cassandra is on my radar. One of the things I have been trying to do is learn what Cassandra is, so in this post, I’m going to share a bit of what I have been able to learn….

MySQL: Troubleshooting an Instance for Beginners

So as you may know, my new position involves the MySQL world, so I’m in the task of picking up the language and whereabouts of this DBMS, and my teamate Alkin Tezuysal (@ask_dba on Twitter) has a very cool break and fix lab which you should check out if you are going to Percona Live London…

RMAN 12c : Say goodbye to your backup when dropping your PDB

Update: 09/March/2015 .- I wrote a second part and followed up on this on my personal blog RMAN 12cR1 : Say goodbye to your backup when dropping your PDB – Part II I was working on my presentations for IOUG Collaborate, and I came upon this strange behaviour in RMAN 12c (12.1.0.1.0) which to me, shouldn’t…

How to Apply a Standby-First PSU Patch in a 2 node RAC environment

Oracle provides since it’s 11.2.0.1 version a way to apply certain patches, to our standby environment first, without compromising the primary database, to allow to let it burn in the Standby  for the time you deem appropriate and then apply the patch binaries to the primary BD ORACLE_HOME and these will cascade into our Standby DB. The first…

My First Five Minutes with Oracle Database 12c

As many of you know, Oracle Database 12cR1 was released last week, and it did something that I haven’t seen before from an Oracle database release: it caused a blogging storm. According to Steve Karam a.k.a Oracle Alchemist, in less than a week we have had 91 articles from 47 authors regarding this release. For me,…

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