0 JSON manipulation in Java 9 JShell
In this article I will demonstrate how we can work with JSON based data – for analysis, exploration, cleansing and…
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0 Java 9 – First baby steps with Modules and jlink
In a recent article, I created an isolated Docker Container as Java 9 R&D environment: https://technology.amis.nl/2017/10/11/quick-and-clean-start-with-java-9-running-docker-container-in-virtualbox-vm-on-windows-10-courtesy-of-vagrant/. In this article, I…
0 Quick and clean start with Java 9–running Docker container in VirtualBox VM on Windows 10 courtesy of Vagrant
The messages from JavaOne 2017 were loud and clear. Some of these:Java 9 is here, the OpenJDK has all previously…
0 Tweet with download link for JavaOne and Oracle OpenWorld slide decks
In a recent article I discussed how to programmatically fetch a JSON document with information about sessions at Oracle OpenWorld…
0 R and the Oracle database: Using dplyr / dbplyr with ROracle on Windows 10
R uses data extensively. Data often resides in a database. In this blog I will describe installing and using dplyr,…
0 Oracle Mobile Cloud Service (MCS): Overview of integration options
Oracle Mobile Cloud Service has a lot of options which allows it to integrate with other services and systems. Since…
0 When Screen Scraping became API calling – Gathering Oracle OpenWorld 2017 Session Catalog with Node
A dataset with all sessions of the upcoming Oracle OpenWorld 2017 conference is nice to have – for experiments and…
0 ETL using Oracle DBMS_HS_PASSTHROUGH and SQL Server
While I prefer a “loosely coupled architecture” for replication between Oracle and SQL Server, sometimes a direct (database) link cannot…
0 Node.js run from GitHub in Generic Docker Container backed by Dockerized Redis Cache
In a previous article I talked about a generic Docker Container Image that can be used to run any Node.js…
0 Sequential Asynchronous calls in Node.JS – using callbacks, async and ES6 Promises
One of the challenges with programming in JavaScript (ECMA Script) in general and Node.JS in particular is having to deal…
0 Golden Gate 12c and DIY Sequence Replication with PL/SQL
Recently, while migrating AIX 11gR2 Databases to Oracle Linux 12cR1 on an ODA X5-2, our setup of Sequence Replication by…
0 Smooth, easy, lightweight – Node.js and Express style REST API with Java SE
It is easy to be seduced by some of the attractive qualities of Node (aka Node.js) – the JavaScript technology…
0 R: Utilizing multiple CPUs
R is a great piece of software to perform statistical analyses. Computing power can however be a limitation. R by…
1 Better track the Usage of Database Options and Management Packs, or it will cost you
So here it is Oracle announces a license audit, some urgency kicks in and this familiar but also really serious…
0 Machine learning: Getting started with random forests in R
According to Gartner, machine learning is on top of the hype cycle at the peak of inflated expectations. There is…
2 Development and Runtime Experiences with a Canonical Data Model Part I: Standards & Guidelines
Introduction In my previous blog I’ve explained what a Canonical Data Model (CDM) is and why you should use it.…
0 Development and Runtime Experiences with a Canonical Data Model Part II: XML Namespace Standards
This blog is about XML namespace standards. Primary for using them in a Canonical Data Model (CDM), but also interesting…
2 Development and Runtime Experiences with a Canonical Data Model Part III: Dependency Management & Interface Tailoring
Introduction This blogpost is part III, the last part of a trilogy on how to create and use a Canonical…
1 Oracle Service Bus : disable / enable a proxy service via WebLogic Server MBeans with JMX
At a public sector organization in the Netherlands an OSB proxy service was (via JMS) reading messages from a WebLogic…
1 Dump Oracle data into a delimited ascii file with PL/SQL
This is how I dump data from an Oracle Database (tested on 8i,9i,10g,11g,12c) to a delimited ascii file: Next to…