Oracle Database Appliance: which storage capacity to choose?
Introduction If you’re considering ODA for your next platform, you surely already appreciate the simplicity of the offer. 3 models with few options, this is definitely easy to choose from. One of the...
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Always free / always up tmux in the Oracle Cloud with KSplice updates
By Franck Pachot . I used to have many VirtualBox VMs on my laptop. But now, most of my labs are in the Cloud. Easy access from everywhere. GCP There’s the Google Cloud free VM which is not limited in...
View ArticleOracle Text : Using and Indexing – the CONTEXT Index
Everybody has already faced performance problem with oracle CLOB columns. The aim of this blog is to show you (always from a real user case) how to use one of Oracle Text Indexes (CONTEXT index) to...
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Install & configure a Nagios Server
What is Nagios ? “Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.”...
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Oracle Standard Edition on AWS ☁ socket arithmetic
By Franck Pachot . Note that I’ve written previously about Oracle Standard Edition 2 licensing before but a few rules change. This is written in May 2020. TL;DR: 4 vCPU count for 1 socket and 2 sockets...
View ArticleHow to use DBMS_SCHEDULER to improve performance ?
From an application point of view, the oracle scheduler DBMS_SCHEDULER allows to reach best performance by parallelizing your process. Let’s start with the following PL/SQL code inserting in serial...
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How to configure additional network card on an ODA X8 family
During a past project, we were using ODA X8-2M with one additional network card. As per my knowledge, on an appliance, additional cards are used to extend connectivity to additional network. Customer...
View ArticleIssue deleting a database on ODA?
I have recently faced an issue deleting database on an ODA. I was getting following error whatever database I wanted to delete : DCS-10001:Internal error encountered: null. Through this blog, I would...
View Article6 things Oracle could do for a better ODA
Introduction With the latest ODA X8 range, at least 80% of the customers could find an ODA configuration that fits their needs. For the others, either they can’t afford it, either they are already in...
View ArticleHow to add storage on ODA X8-2M
Recently I had to add some storage on an ODA X8-2M that I deployed early February. At that time the last available release was ODA 18.7. In this post I would like to share my experience and the...
View ArticleError getting repository data for ol6_x86_64_userspace_ksplice, repository...
During ODA deployment I could see that starting 18.7, immediately after reimaging or patching the ODA, I was getting some regular errors in the root mail box. The error message came every hour at 13...
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Applying archive log on a standby is failing with error ORA-00756: recovery...
During one last ODA project, I was deploying dbvisit software version 9.0.10 on Oracle database SE Edition version 18.7. From time to time I was getting lost write of a data block with type KTU UNDO on...
View ArticleDbvisit – Switchover failing with ORA-00600 error due to Unified Auditing...
I have been recently deploying dbvisit version 9.0.10 on Standard Edition SE2 18.7. Graceful switchover failed with error : ORA-00600: Interner Fehlercode, Argumente: [17090], [], [], [], [], [], [],...
View ArticlePatching Oracle Database Appliance From 18.8 to 19.6
The ODA software 19.6 is released and people are starting to patch. A direct patch to version 19.6 is possible from version 18.8. Before patching your deployment to Oracle Database Appliance release...
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Oracle 20c : Create a Far Sync Instance Is Now Easy
A far sync instance is like a standby instance as it can receive redo from the primary database and can ship that redo to other members of the Data Guard configuration. But unlike a physical standby...
View ArticleFunctions in SQL with the Multitenant Containers Clause
By Clemens Bleile To prepare a presentation about Multitenant Tuning I wanted to see the METHOD_OPT dbms_stats global preference of all my pluggable DBs. In this specific case I had 3 PBDs called pdb1,...
View ArticleOracle 12c – pre-built join index
By Franck Pachot . This post is part of a series of small examples of recent features. I’m running this in the Oracle 20c preview in the Oracle Cloud. I have created a few tables in the previous post...
View ArticleOracle 18c – select from a flat file
By Franck Pachot . This post is the first one from a series of small examples on recent Oracle features. My goal is to present them to people outside of Oracle and relational databases usage, maybe...
View ArticleDB-Upgrade hangs in SE2 waiting on Streams AQ while gathering statistics on...
A couple of weeks ago I upgraded an Oracle Standard Edition 2 test database from 12.1.0.2 to 12.2.0.1 (with the April 2020 Patch Bundle) on Windows. Recently I upgraded the production database. Both...
View ArticleWhat is a serverless database?
By Franck Pachot . After reading the https://cloudwars.co/oracle/oracle-deal-8×8-larry-ellison-picks-amazons-pocket-again/ paper, I am writing some thoughts about how a database can be serverless and...
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