Category: Big Data

In the IoT world, some devices generate large volumes of events that can be difficult for back-end systems to process in real time. Of course you can use NiFi …

There are several cases where you might want to use Azure Log Analytics to monitor your NiFi instances. An obvious one is when NiFi is running in Azure. Azure …

When you import a new process group or upgrade an existing one, missing parameters contexts and parameters will automatically be added. The new parameters will be filled with values …

Jolt is a Java library which can be used to transform JSON to JSON. A Jolt transformation specification itself is also a JSON file. You can use it in …

Apache NiFi is a powerful open source integration product. A challenge you might encounter when integrating systems is that one system can produce JSON messages and the other has …

Apache NiFi has a powerful web-based interface which provides a seamless experience between design, control, feedback, and monitoring. Sometimes however, you want to automate tasks instead of doing them …

Apache NiFi is an easy to use, powerful, and reliable system to process and distribute data. It has a powerful UI which can be used for both development and …

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 …

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 …

Apache NiFi can be used to accelerate big data projects by allowing easy integration between various data sources. Using Apache NiFi it is easy to track what happened to …

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. …

Apache Drill is a schema-free SQL query engine. Drill supports a variety of NoSQL databases and file systems, including HBase, MongoDB, MapR-DB, HDFS, MapR-FS, Amazon S3, Azure Blob Storage, …

Filesystem events are useful to monitor. They can indicate a security breach. They can also help understanding how a complex system works by looking at the files it reads …

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 …

In his keynote on October 3rd during Oracle OpenWorld 2017, Thomas Kurian stated that the vision at Oracle around analytics has changed quite considerably. He explained this change and …

Plenty of articles describe this hello world of Machine Learning. I will merely list some references and personal notes – primarily for my own convenience. The objective is: get …

As mentioned on the following blog post by Lucas Jellema, Kafka is going to play a part in several Oracle products. For some usecases it might eventually even replace …

The importance of data has never been in doubt in the world of Oracle. Through machine learning and predictive analytics as well as real-time streaming data and Big Data, …

Talk of the town during Oracle OpenWorld 2016 definitely included the term Machine Learning. Machine learning was mentioned in every other session it seemed. Sometimes fully justified – and …

note: I would like to thank Mark Rittman of RittmanMead for sharing many of this findings from Oracle OpenWorld 2015 as well as a comprehensive slide desk. Business Analytics …

Deleting some rows or tens of millions of rows from an Oracle database should be treated in a completely different fashion. Though the delete itself is technically the same, …

Having access to useful data to create demonstrations and sample applications can be quite a challenge. Demonstrating the power of data visualizations (for example with ADF DVT) or the …

New in Oracle 12c and one of the big new features in XMLDB is the XQuery Full Text functionality and, as mentioned in the post about XQuery Update, is …

New, new…? No, not really new, XQuery Update (W3C standard/draft 2011) was already implemented in 11.2.0.3.0, but is now officially also announced. Besides the XQuery Full Text support (XQFT …

Hierbij nog dank voor allen die aanwezig waren bij de weer gevulde, informatieve & gezellige avond tijdens “Hotsos Revisited 2013”. Wij presentatoren hebben genoten van het ambiance. Hier ook …

Van 15 tot en met 19 april geeft Luc Bors de 5-daagse ADF 11g training op het kantoor van AMIS in Nieuwegein. In 5 dagen leer je de basis …

Hereby, for those who want another look or for people to share, my presentation content “Creating Structure in Unstructured Data” given during the Hotsos 2013 Symposium on Monday morning. …

It has been a while that I have been attending Hotsos, although that is how it feels. In 2011 I flew to Hotsos to see, among others presentations from …

Van 3 tot en met 7 maart vindt in Irving, Texas, het internationale Oracle performance Hotsos Symposium plaats. Dit jaar belooft het symposium een garantstelling voor inhoudelijk hoogstaande presentaties …

Vorig jaar heb ik behoorlijk wat vragen gekregen over of er een tool was, een methodiek, om BAG data van het Nederlandse Kadaster in een Oracle database te krijgen …

I was asked by Jože Senegačnik, if I would be would be interested in doing a Masterclass/Seminar in Slovenia and, yes of course, I really liked the idea. So …

People who have attended the UKOUG presentation this year where Mark Drake, Sr. Product Manager XML Technologies / XMLDB, Oracle HQ, and I demonstrated the first principles of the …

UKOUG 2011 is nearby and one of the coolest things in Oracle 11g and onwards is, IMHO, a functionality called XDB Repository Events. Most of you probably know that …

In dit tweedaagse seminar neemt Steven Feuerstein je mee ver voorbij de basismogelijkheden van PL/SQL. Steven zal tijdens dit seminar de best practices behandelen die hij op tientallen plekken …

Last day of Oracle Open World and I am currently attending the last presentations. The first presentation, “Oracle XMLDB: A noSQL Approach to Managing all your Unstructured Data”, deals …

I am currently at a presentation of Patrick Schwanke, Quest Germany, regarding easy and high speed connect between NoSQL and Oracle Databases. Not really what I planned but as …