My fellow Oracle ACE Directors and former AMIS-colleagues Patrick Barel and Alex Nuijten have co-authored an impressive book: The book discusses many of the wonders of SQL and PL/SQL – the well and lesser known things you can (and should) do when programming in and against the Oracle Database. Part […]
AMIS
Maandag 20 maart– open Code Café– open source password manager Bitwarden, Git for Nerds–Fundamentals & Apache Superset data visualization
Op maandag 20 maart vindt weer een Code Café plaats waarin we tools en technologie bespreken en uitproberen. Tussen 17 en 20.30 staan drie onderwerpen op de agenda, eten we met elkaar en gaat we handson ervaring opdoen met de besproken onderwerpen. Als je het leuk vindt om meer te […]
How Cheppy thrills and acceleraties us at AMIS–and what it does not yet do
ChatGPT is a bit of a “tongue twister” so I will speak of Cheppy. AMIS has a long history of spotting, exploring, embracing and rolling out new concepts and technologies . It something we like doing – a trait of the organisation- and are good at and successful with. That […]
Things Conference 2022 – Implementing IoT at Scale
I had the pleasure of visiting the The Things Conference 2022, the largest LoRaWAN event in the world. Organized by Things Industries in Amsterdam on September 22 and 24. The conference hosted about 1500 IoT professionals, 50 exhibitors, and 70 speakers. On Thursday and Friday, 22 – 23 September, I […]
Migrating Oracle Enterprise Edition database To Standard Edition using Transportable Tablespaces
Introduction Oracle database Standard Edition (SE) has the main features of a RDBMS database and cost significantly less than Oracle Enterprise Edition (EE). Migrating a database from Oracle Enterprise Edition to Standard Edition can be a consideration ifthe Enterprise Edition options or features are not used (or not required) in […]
AMIS DataSafe, the answer to Black Swan scenarios
How to be prepared for a black swan scenario?
Devoxx United Kingdom 2021, I am We are
At the beginning of this November, I attended the Devoxx United Kingdom 2021 event, remotely. In this article I gathered some practical information about the event, and the sessions that were held. Perhaps this gives you more insight in what you can expect from such an event and it may […]
Preparation for migrating data to Oracle Virtual Private Database
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 units into a single Oracle 19c database with Virtual Private Database (VPD). The VPD solution is used for the virtual separation […]
OBS Studio: How to record online presentations (Zoom, Teams, Webex, Meet, …)
Sometimes you want to record online presentations to maybe re-watch them later or share them with colleagues. It is not always possible to easily do this from within the tool which is used for the presentation. An easy alternative is to record such sessions using OBS Studio, a free and […]
Another week of learning – some fairly personal notes
One of the best parts of my job is the opportunity to learn all the time. A day to loved is a day not lived, a day not laughed is day not lived and a day not learned certainly for me also is a day not lived. There seem to […]
How to dynamically Schedule EM Blackouts after PatchTuesday
In the organization I’m currently working for, the OS-patch schedule depends on PatchTuesday (PT) just as Microsoft, Adobe or Oracle are using. And PatchTuesday is, as you all know, the Second Tuesday of each month. But this is a schedule you can not set in the Oracle Enterprise Manager Scheduler. […]
Multi Source Video in MS Teams without an actual green screen
My objective: show a video feed in MS Teams that consists of me and a combinati0n of other sources – such as desktop applications like Powerpoint, images, videoclips etc. Without using a green screen or other tools – with nothing more than a laptop with webcam. I made this work […]
OBS Studio + Snap Camera: Putting yourself in your presentation live for free!
When giving online presentations, it helps for personal marketing if people can see you on the screen. Various tools provide features which help you achieve that, for example Microsoft Teams. Sometimes though you do not have that available or want to be able to do more than what the tool […]
Composing a Video from multiple sources (MP4, PowerPoint, image, text) using OBS
Videos are a powerful way of communicating a message. I have always been more inclined to write blog articles to share my findings. Recently I was introduced to OBS – Open Broadcaster Software. This free tool makes it fairly easy – for me too – to record videos and combine […]
How I create multi-layer videos with talking head, slides, sound and simple effects with OBS Studio
Using videos to announce events, explain complex topics, draw attention to causes and entertain community members is powerful. Until recently, I did not create any videos. Too hard. Requiring complex, expensive equipment. That was my thinking. Until recently a colleague introduced me to OBS Studio – Open Broadcaster Software. With […]
The Six-part REAL Oracle Cloud platform Webinar Series – Cloud Native Live Demo and Hands-On Oracle Developer Meetup sessions – kicking off June 10th 2020
Attend this series of six live webinars to get going with cloud native application development on the Oracle Cloud platform, created and presented by REAL specialists. The Red Expert Alliance (aka REAL) is a network of Oracle partners on four continents that have joined forces to share knowledge and experience […]
Interesting new features in PowerPoint to make presentations more attractive and effective
PowerPoint is one of the applications I use the most. I create presentations with architecture solution designs, for training purposes, to use in conference sessions next to live demo and in many other cases where a visualization of ideas comes in handy. I am quite keen to learn about new […]
Create video recording in Microsoft Teams with green screen chromakey background without an actual green screen
If you record yourself in front of a green screen – or giant sheet or curtain – you can then manipulate the video and have any picture, movie, drawing or other visual replace the green in the video. A trick commonly used by reporters who do not actually want to […]
My Tips for Presenting an Online Meetup – experiences from a would-be pro
After presenting a three part Online Meetup series to colleagues and a three hour webinar to just over one hundred (or two thousand, I did not actually see any of them) students – and what feels as countless Team Meetings over the last six week – I have started to […]
Migrating an old (10.2.0.4) database to Oracle Cloud with minimal downtime
Unlike most of our posts this post will contain almost no code or examples. But it hopefully will help somebody who ends up to be in the same situation we landed on: migrating data from very old versions to a new environment. Recently we were tasked with the migration of […]
Writing a blog in Word, automating HTML formatting by using a .docx to HTML converter for Java and publishing the blog via WordPress (part 3)
In part 1 and 2 of this article, I shared with you the steps I took, to even further automate the manual steps I still had to take every time I wrote a blog article. [https://technology.amis.nl/2020/03/10/writing-a-blog-in-word-automating-html-formatting-by-using-a-docx-to-html-converter-for-java-and-publishing-the-blog-via-wordpress-part-2/] In this article I will focus on unordered HTML list (<ul> and <li>), HTML […]
Writing a blog in Word, automating HTML formatting by using a .docx to HTML converter for Java and publishing the blog via WordPress (part 2)
In part 1 of this article, I shared with you the steps I took, to even further automate the manual steps I still had to take every time I wrote a blog article. Via debugging I gave a global overview of how the HTML converter (called Mammoth created by Michael […]
Writing a blog in Word, automating HTML formatting by using a .docx to HTML converter for Java and publishing the blog via WordPress (part 1)
At AMIS, gaining and sharing information and knowledge is part of our DNA, so that’s why the AMIS Technology Blog has been there for over 15 years now. Together with my colleagues on a regular basis, I write blog articles. From the beginning we used WordPress, but over the years […]
PostgreSQL EDB College Tour
Welke dingen zijn van cruciaal belang voor een eenvoudige, foutloze installatie en implementatie van Postgres SQL? Wil je meer weten over het draaien van de database in containers en de cloud? Of ben je benieuwd naar dé killer features? PostgreSQL is al geruime tijd een hele goede optie voor relationele […]
A Readers Story: Connor McDonald on Solving a Sudoku with one SQL Statement
The AMIS Technology Blog has reached a milestone and celebrates its 15-year anniversary! Over the past 15 years, we’ve published 3100 articles, written by 120 authors and gathered an international audience of 6000 unique visitors a day. To reward your loyalty and as part of the celebration we publish several […]
Moving message threads to different group using the Yammer API
At AMIS we are quite happy users of Microsoft Yammer. Days with 10 or more messages are no exception and since December 2009, we have assembled quite a history of over 8000 message threads. Because we have joined the Conclusion eco system and we will now share a Yammer Network […]
Enterprise Manager DataGuard Add Standby Database fails without showing errors at Destination Preparation phase
Oracle Enterprise Manager Cloud Control 13c provides the Add Standby Database wizard to create a broker configuration that includes a primary database and one or more standby database. This requires the Oracle Database Lifecycle Management Pack for Enterprise Manager Cloud Control. When adding a Standby Database, after proving all the […]
Devoxx Belgium 2018, From Developers For Developers
Last November, I attended the Devoxx Belgium 2018 event. In this article I gathered some practical information about the event, and the sessions that were held. Perhaps this gives you more insight in what you can expect from such an event and it may help you in deciding if, as […]
Querying connected data in Graph databases with Neo4j
TL;DR; · Graph databases are ideal for query use cases with data with complex relationships and layers of connections · Its query language is fast, efficient and allows for retrieval of information at deeper levels of abstraction in the data · Neo4j is currently the most popular Graph database, and […]
PeopleCounter part one: Counting People
Intro Internet of Things stands for connecting devices to the internet. The devices are then able to communicate with each other. In our project, the PeopleCounter, we use a mini-computer with intelligent software to count the number of people in front of a camera. We send that number to an […]
Java programs as native executables: GraalVM is the answer!
TL;DR: • Using GraalVM Java applications can be compiled into native standalone executables (will be demonstrated). • Native executables of small Java programs startup blazingly fast, use considerably less resources compared to running on JVM and do not even require the JRE or any other kind of runtime apart from […]
Presenting at ODevCYatra 2018 in Hyderabad, Pune and Mumbai (11, 13 and 14 July)
In 2013 I have participated in the OTN Yatra – a conference tour of six cities in India (). This year I am glad to be back for a second Yatra. I will present in three cities (Hyderabad, Pune and Mumbai) and I am really looking forward to meeting many […]
How to install the Oracle Integration Cloud on premises connectivity agent (18.1.3)
Recapitulation on how to install the Oracle Integration Cloud on premises connectivity agent Recently (april 2018) I gained access to the new Oracle Integration Cloud (OIC), version 18.1.3.180112.1616-762, and wanted to make an integration connection to an on-premise database. For this purpose, an on premise connectivity agent needs to be […]
Upgrade of Oracle Restart/SIHA from 11.2 to 12.2 fails with CRS-2415
We are in the process of upgrading our Oracle Clusters and SIHA/Restart systems to Oracle 12.2.0.1 The upgrade of the Grid-Infra home on a Oracle SIHA/Restart system from 11.2.0.4 to 12.2.0.1 fails when running rootupgrade.sh with error message: CRS-2415: Resource ‘ora.asm’ cannot be registered because its owner ‘root’ is not […]
Welcome to the Zoo of programming languages inspired by the Animal Kingdom
Have you ever come across the following challenge? You have to name something; your own project, own product, company, your boat or even your own child. Coming up with the right name is very important since this is something you have worked on for a long time. So the name […]
Online Videos with Lucas Jellema–Live recording of Talks, Interviews and Stuff
Oracle Code Rome 2019 – Business and IT Agility Through DevOps and Microservice Architecture Powered by Containers and Cloud: https://www.youtube.com/watch?v=gm9vfK9fILM Turn Data into Business Value – Starting with Data Analytics on Oracle Cloud – https://youtu.be/IkfhudP2v7U?t=20880 Oracle Groudbreakers Podcast: Database Golden Rules: When (and Why) to Break Them (January 2019): https://blogs.oracle.com/developers/database-golden-rules-when-and-why-to-break-them Oracle […]
Oracle Open World; day 4 – almost done
Almost done. It’s not expected that tomorrow, thursday, will be a day full of new stuff, exciting news. Today, wednesday was a mix for me between ‘normal’ content like sessions about migrating to Oracle Enterprise 13.2 (another packed room) and a very interesting session about the Autonomous Database. Just a […]
Oracle Open World; day 3- some highlights
Day 3 began with a very smooth and interesting keynote of Thomas Kurian, full of flawless, wonderful demo’s . The second keynote, of Larry Ellison happened in the afternoon, I couldn’t attent for as I head a product management meeting. But some hickups I heard. Beside the keynotes it was […]
Oracle Open World; day 2 – highlights
At Monday Oracle Open World really starts. A whole lot of general sessions with announcements and strategic directions on product / service level. In this post I’ll try to summarize the highlights of this day. Quite hard, there are a whole lot of interesting sessions which overlap. Always the […]
Oracle Open World 2017; day 1 observations
Just a quick note about day 1 at Oracle Open World. This Sunday traditionally is filled with presentations of usergroups, customers and product management, and at the end of the day the welcome-keynote. In the presentations there’s not really exciting news, they will have to wait until the keynotes. But […]