Articles about technology, productivity and living in Europe.
This document is a basic knowledge base from searchers that I did in Oracle Support to solve problems so it might save you time to search. You might find the error and straightway the fix. ORA-12638: Credential retrieval failedSet SQLNET.ORA clientSQLNET.NO_NTLM=FALSE EM express...
How would the world be 40 years from now? Population, technology, cure of diseases, transportation and privacy? I’ve decided to write some thoughts that crossed my mind together with researches, books I’ve read and check this post again in 2059 (I hope I’m still alive) and...
Entanglement, Qubits, Superposition? What’s is quantum computing? Recently someone told me how difficult it is trying to understand a subject when it is abstract and complex especially when there is zero or almost zero knowledge about it. Well, I would agree with the same reasons...
Man showing question mark on wooden cube. I saw few questions over the Internet regarding the usage of the BASIC compression algorithm in Oracle 12c (if can / can’t be used in SE2) so I’ve decided to write about it. I might agree that sometimes Oracle documentation couldn’t be explicit...
In this article I’ll not go into detail on technical stuff. It will be focused in the news that Oracle presented in the Oracle Cloud Day that was held in Dublin in November 2016. Oracle Enterprise Cloud Strategy This is the model presented by Oracle for Enterprise Cloud Strategy. Up to...
It’s true that we shouldn’t consider DR solution using the manual Logging Shipping process in Standard Edition but we also know that Oracle Enterprise Edition is very expensive 🙂 In this article we have words like unrecoverable, nologging, logging and force logging so if you’re not...
I decided to do a test case regarding this new parameter to have a better understanding and I could see some interesting results. So check it out and make your own conclusions. The sga_min_size is set at PDB level and it guarantees the specified SGA size for the PDB. Before start let’s...
This document will cover the basic steps to apply Oracle patches (single node) under Amazon Web Services EC2 instances running Oracle Enterprise Linux 7.4. Prerequisites to execute this procedure:– Server internet connection– AWS CLI credentials configured 1) DownloadFor...
Recently I decided just to test the behavior of changing the parameter PARALLELISM (1-40) using RMAN backups under different storage types in Amazon AWS and check the results. Just a few things before start just to refresh some concepts regarding RMAN. Usually backup bottlenecks are not...
How Oracle Standard Edition can fit to your business? For the past 20 years as DBA I saw companies taking wrong calls regarding their infrastructure and guess what? This is a recurrent issue until today. Sometimes part of technical experts are not really evolved for any reasons and...
How many times have you tried to do something but the voice inside your head said: you can’t do it, you have no talent for this. Well, I thought the same thing until I decide to ignore my voice and go ahead with my challenge. You can try it as well and you might be surprised with...
Caught off guard by Oracle licensing? Well you’re not alone. This post will cover things that I’ve needed to check over time to see if there is any “catch” special licensing required for using Oracle components. This document will be a guide for me as well so probably it...
As Amazon Web Services part of my daily tasks I’ve decided to choose few useful tools and commands that might help you in some way. Considerations: Please, before install any of these tools I do recommend to read all descriptions and if you didn’t agree with any don’t use it. I’m not the...
