Migrating from oracle to postgresql with ora2pg
PostgreSQL is one of the most used Rdbms. In this blog we are going to talk about migrating from oracle to postgresql using ora2pg. A previous blog about this topic can be found here. After installing...
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A new OGG challenge: Migrate an Oracle 8.1.7.4 instance to 10.2.0.5
Yes, these beasts still exist in production: [/u01/appl/ora817]$ sqlplus /nolog SQL*Plus: Release 8.1.7.0.0 - Production on Thu Apr 27 09:54:20 2017 (c) Copyright 2000 Oracle Corporation. All rights...
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12cR2 partial PDB backup
I had a recent question about the following mention from the 12cR2 Multitenant book, about Partial PDB backups: . Here is an example in 12.2 with local undo to illustrate the answer, which may help to...
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Oracle OGG JAGENT 12.2 installation for GoldenGate monitoring using the Cloud...
This post is mainly for self documentation as I have to search my old notes every time I want to do this (I am faster by searching on our blog ): If you want to monitor GoldenGate with Cloud Control...
View Article12c nologging and Data Guard
The title sounds weird because Data Guard synchronisation is based on the redo stream, so it makes no sense to do nologging operations on the primary. And this is the reason why we set FORCE LOGGING on...
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PostgreSQL on a Pure Storage All Flash Array – Preparations
Yesterday we got a Pure Storage All Flash Array for testing. As the name implies this is all about Flash storage. What makes Pure Storage different from other vendors is that you don’t buy just a...
View ArticleTesting new PostgreSQL features before alpha/beta/rc releases
A long time ago I blogged on how you can use the PostgreSQL development snapshots to test new PostgreSQL features before alpha/beta/rc releases are officially released. Another way to do this is to use...
View ArticleCan you open PDB$SEED read write?
If you are in multitenant, you probably already felt the desire to open the PDB$SEED in READ WRITE mode. Can you open PDB$SEED read write yourseld? Yes and No. Should you open PDB$SEED read write...
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PostgreSQL on a Pure Storage All Flash Array – Populating PostgreSQL
In the last post we explained on how we did the setup for connecting a PostgreSQL server to the Pure Storage array. In this post we’ll actually give the array something to work with. What we use for...
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Oracle 12cR2 : Optimizer Statistics Advisor
The Optimizer Statistics Advisor is a new Advisor in Oracle 12.2. The goal of this Advisor is to check the way you gather the statistics on your database, and depending on what is found, it will makes...
View ArticleWhat is in a transportable tablespace dumpfile?
On 31st of May in Düsseldorf, at DOAG Datenbank, I’ll talk about transportable tablespaces and pluggable databases. Both methods are transporting data physically, the difference is in the transport of...
View ArticleGrid Infrastructure Installation on SLES 12 SP1
This week I needed to install Oracle Grid Infrastructure 12c release 1 in a SLES 12 SP1 environment. Everything worked fine until I ran the root.sh at the end of the installation. Here’s a quick...
View ArticleAPEX Connect 2017 – Day 1
This year again the APEX connect conference spans over three days with mixed topics around APEX, like JavaScript, CSS, SQL and much more. After the welcome speech and the Keynote about “Reconciling...
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SQL Server 2017: first steps with Python Service
Last year, I written blogs about SQL Server 2016 and his integration from the R language. Just for information, you can find these blogs about SQL Server 2016 R Services here: SQL Server 2016: R...
View ArticleUpgrade to Oracle 12.2 with dbupgrade utility
Oracle 12.2 is released and we will have to upgrade. And in this blog we are going to talk about upgrading to oracle 12.2 using the dbupgrade utility. Of course the dbua tool is still available and can...
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APEX Connect 2017 – Day 2
After the Keynote about “Oracle Application Express – Ahead of it’s time. Leading the way forward” by Joel Kallmann (Director of Software Development for APEX) and some overall presentation about...
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SQL Server 2017: Python server
After my article SQL Server 2017: first steps with Python Service, I write this article about my first test with the Python Server feature in SQL Server 2017. The installation is very simple, in the...
View ArticleAPEX Connect 2017 – Day 3
For the last conference day, after the Keynote about “JavaScript: The next Language YOU should learn” by Dan McGhan , I decided to attend presentations on following topics: – Upgrade your APEX app with...
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Personal road trip – PowerShell Conference EU 2017
Welcome to PowerShell Conference EU 2017 Started on April, 5th at 9:00 AM, I was immersed in a wonderful and amazing Open Ceremony among light effects and an epic music. Indeed, using PowerShell is...
View Article12cR2 Cross-container DML – insert into container()
Multitenant has been introduced in 12.1.0.1 with the goal to share resources but isolate data. However, having all PDBs in the same root may be convenient to manipulate data in multiple PDBs. In the...
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