Query Past Generations in Oracle Database SQL – PI Day Special
Today is PI Day. March 14 or: 3-14 in the US. Of course it can be March 14th 2015 – 3-14-15 – only once but for some reason March …
Category: Technology
Merge AVRO schema and generate random data or Java classes
Previously I wrote about generating random data which conforms to an AVRO schema (here). In a recent use-case, I encountered the situation where there were several separate schema files …
Java: How to validate JSON against an AVRO schema
AVRO schema are often used to serialize JSON data into a compact binary format in order to for example transport it efficiently over Kafka. When you want to validate …
Generate random JSON data from an AVRO schema using Java
Recently I was designing an AVRO schema and wanted to test how data would look like which conformed to this schema. I developed some Java code to generate sample …
Apache NiFi: Forwarding HTTP headers
Apache NiFi can be used to expose various flavors of webservices. Using NiFi in such a way provides benefits like quick development using a GUI and of course data …
Composing DAPR Custom State Store Component for Oracle Cloud Object Storage
Dapr is a runtime framework for distributed applications as well as a personal assistant with many generic qualities relevant to any application. Through Dapr, applications can easily benefit from …
A quick and easy Apache NiFi development environment
Vagrant can be used to quickly create development environments in for example VirtualBox, VMWare or Hyper-V. I decided to use Vagrant to create a quick Apache NiFi development environment. …
Dapr on OKE–Distributed Application Runtime on OCI Kubernetes Engine
One of the most exciting frameworks I have ran into into recent years is Dapr (dapr.io) – distributed application runtime. Dapr is a cross technology runtime framework that supports …
OCI DevOps Composite–creating Build & Deploy Pipeline resources using Terraform plans
I recently started a GitHub repo with Terraform plans for the creation of what I call OCI Composites – combinations of resources that will frequently be used together and …
Product selection done quickly
Your customer has a specific challenge and wants to have it solved by means of software. They ask you as a software/solution architect to advise them on this topic …
“You have to give a little… scripting for 12c+”
or Publishing a cleanup script for Oracle 12c+ At the moment I’m just for fun collecting Linux scripts from my direct colleagues. And while I was busy to think …
Continuous Generation and Publication of Docstring Documentation on Azure – using Sphinx, Pydoc, Storage Account and App Service
August 17, 2021
Cloud, Containers, Deployment, Docker, Microsoft Azure, Python, Software Engineering, Technology
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In this blog I will explain how to generate static HTML pages from your projects Pydoc (docstring) comments with Sphinx. Then we are going to host it in an …
Preparation for migrating data to Oracle Virtual Private Database
August 10, 2021
AMIS, Database, Databases, DBA Oracle, Oracle, Oracle 12, SQL, sqlplus, Technology
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preparation for migrating data to Oracle Virtual Private Database Introduction Recently I was part of a team involved in the preparation of migration data belonging to multiple business …
How to use single sign on between multiple OCI environments
Since we provide support for several clients in OCI, we regularly need to login into different OCI-tenancies. How nice would it be to have Single Sign-On (SSO) functionality between …
What the Ether, part 1 – Ethereum
Just like in 2017, blockchain has been all the craze this year. With Bitcoin reaching prices over three times higher than the previous all-time high, everybody has been talking …
ADF Performance Monitor: New Introduction Video (3:40)
Are you unable to pinpoint frustrating blind spots and recurring problems in your ADF application? This video gives a quick introduction of the features of the ADF Performance Monitor, …
Closing the gap with Zachman.
IT environments tend to become more and more Complex. When planning for new or additions and changes to existing (IT) environments, the necessity to invest in decent preparation and …
Oracle Database: Write arbitrary log messages to the syslog from PL/SQL
Syslog is a standard for message logging, often employed in *NIX environments. It allows separation of the software that generates messages, the system that stores them, and the software that …
ADF Performance Monitor brings performance improvements and Insight at Intris
January 9, 2019
Oracle Application Development Framework, Performance and tuning, Technology, Tools
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Intris is the leading Belgian provider of freight forwarding, customs and warehousing management solutions. Headquartered in Antwerp, Intris provides its integrated software and cloud-based solutions to logistics services providers …
Configure and test your ADF REST Resource
In my previous post I showed the steps you have to take to create your first ADF REST resource. You can find it here: First steps with REST services …
5 main building blocks of the new Visual Builder Cloud Service
In may 2018 Oracle introduced the new version of Visual Builder Cloud Service. This version is not just aimed at the Citizen Developer, in the end an experienced JavaScript …
ADF Performance Tuning: Manage Your Fetched Data
In this blog I want to stress how important it is to manage the data that you fetch and load into your ADF application. I blogged on this subject …
ADF Performance Tuning: Avoid a Long Browser Load Time
It is not always easy to troubleshoot ADF performance problems – it is often complicated. Many parts needs to be measured, analyzed and considered. While looking for performance problems …
Some of my Solutions for challenges with Oracle JET
This article is not some sophisticated treatise on Oracle JET fundamentals.It is merely a collection of challenges I had to deal with and found solutions for – that work, …
Set up continuous application build and delivery from Git to Kubernetes with Oracle Wercker
It is nice – to push code to a branch in a Git repository and after a little while find the freshly built application up and running in the …
Serial database backups using Oracle Enterprise Manager
For several years now, I’ve been a fan of backups controlled by Enterprise Manager (of Grid Control, or Cloud Control, call it what you want). It is relatively easy …
Oracle Database Appliance X6-2L and X6-2 HA, comparing the line
January 8, 2017
ODA, Engineered Systems, Platform Technology, Technology, Virtualization and Oracle VM
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A while ago I published an article about the ODA X6-2S and X6-2M, the new entry level machines for small business. And since then Oracle introduced the ODA X6-2L …
Publicly exposing a local service to nearby and far away consumer on the internet using ngrok
Sometimes I run into a tool or service that brings a large smile on my face. Today that happened to me as I was reading a blog article on …
How to run a demo with Microsoft Hololens and share your screen
I was fortunate to use the Microsoft Hololens for a couple of days to experiment and prepare for a demo. Here are some practical tips for doing a demo …
Beats and Fusion Middleware
This is the 6th blog in a series on the Elastic product stack. This blog will cover how Beats fits into the mix with Logstash, Kibana and Elasticsearch. The …
Kibana for ACM dashboards
This is the 4th blog in a series on the Elastic product stack. This blog will cover the Kibana product. The series cover: 1. Elasticsearch and Oracle Middleware – …
Installation of Elasticsearch
This blog is one of a series of 6 blogs around the combination of Elasticsearch (‘the ELK stack’) and Oracle Adaptive Case Management. The series cover: 1. Elasticsearch and …
Oracle PaaS Cloud – The API Platform Service – launch date Winter 2016/17
APIs are hot. Public APIs are an enterprise’s programmatic interface to B2B partners, governments and other stakeholders including app and web builders. Internally, APIs are the touch points for …
Reusing JET Composite Components in JET, ADF, MAX and ABCS – W3C Web Component Style
This is a short article about a big topic. About how JET Composite Components – small or pretty substantial – can be reused and integrated, not only in other …
Java Callout from Business Rules
Goal and warning This blog will show how to invoke java code directly from within a Business Rules component. I didn’t manage to find this in the Oracle product …
Digital Transformation calls for comprehensive Information Security measures.
Do you want to know how your company can survive Cyber Security threats? And what can be an approach to stay compliant? Have you ever thought about security related …
How to create a private 10 Gb network on an ODA X5-2
In my previous post Network considerations on an ODA X5-2 I described a solution where I created a private network to optimize network performance between the components running on …
Network considerations on an ODA X5-2
June 24, 2016
ODA, Architecture, Engineered Systems, Oracle, Platform Technology, Technology, Virtualization and Oracle VM
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When you buy an Oracle Database Appliance (ODA) X5-2 off the shelve, you will get a machine with four times 10Gb copper Ethernet (bonded into two interfaces) for public …
Oracle X5-2, from bare metal to VM Server. Without disks, without dvd drive.
April 23, 2016
AMIS, Platform Technology, Provisioning, Technology, Virtualization and Oracle VM
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Oracle offers a fine machine called the X5-2. Not to be confused with the ODA X5-2, which comes with sophisticated database software. The X5-2 is just bare metal. The …
Continuous Delivery and the Oracle database (II)
April 15, 2016
Technology, Agile Scrum, Continuous Delivery, Database, Deployment, Languages, Oracle, PL/SQL, Software Development
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In the previous Blog I have described how to implement CD for an Oracle database by using migration scripts. In this Blog I will describe how to create migration …