Tag: json
Database Pipes have been around in Oracle Database since release 7. In memory, light weight, non-persistent, fast and a little low level. Somewhat brittle: the contents of a pipe …
A very nice, powerful and potentially somewhat dangerous new feature in Oracle Database 23ai: Pre-Authenticated Request URLs for Read Only Data Access on Autonomous Database. In summary: with a …
This article describes how a Terraform plan can read configuration data at plan and application time from local or remote JSON documents to provide dynamic, easily and centrally maintainable …
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 …
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 …
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 …
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 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 …
A simple challenge: I am working on a SQL query. Not a trivial query. I am trying various approaches. I believe I may have found a solution that works. …
This morning I discovered a new entry in the menu on my Oracle Cloud Infrastructure Tenancy (on Ashburn, USA): the NoSQL Database service had been added overnight. The service …
wrk is a modern HTTP benchmarking tool. Using a simple CLI interface you can put simple load on HTTP services and determine latency, response times and the number of successfully …
I am not the first to discover jq, or even to write about it. However, jq was such a valuable tool for me that I felt obliged to share …
The CBS (the Dutch Centraal Bureau Statistiek) keeps track of many thing in The Netherlands. And shares many of its data sets as open data, typically in the form …
In this article, I analyze the race that took place in stage 14 of the 2019 Tour de France in a Jupyter Notebook using Python, Pandas and Plotly and …
In this article, I will show how to analyze the performance of Steven Kruijswijk during stage 14 of the 2019 Tour de France in a Jupyter Notebook using Python, …
This year’s Tour de France was quite a spectacle. Great performances, exciting stages, unexpected events: it had it all. Analyzing the race events as they unfolded during the stages …
If data is available from REST APIs, Jupyter Notebooks are a fine vehicle for retrieving that data and storing it in a meaningful, processable format. This article introduces an …
Oracle OpenWorld and CodeOne 2018 are two co-located conferences that took place in October 2018. Some 2000 sessions presented by over 2500 presenters form the core of these conferences. …
This article highlights a use case implementation I recently implemented (for a demo session) leveraging Oracle Functions as well as OKE (Oracle Kubernetes Engine), Object Storage and Elastic …
The Oracle OpenWorld and CodeOne 2018 conferences took place in the last week of October 2018. Together, over 1500 sessions took place. The session catalog with details for all …
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 …
While preparing for writing an article about “Oracle API Platform Cloud Service” I wanted to quickly be able to generate example JSON payload’s based on some tables in the …
In this article I will demonstrate how we can work with JSON based data – for analysis, exploration, cleansing and processing – in JShell, much like we do in …
A dataset with all sessions of the upcoming Oracle OpenWorld 2017 conference is nice to have – for experiments and demonstrations with many technologies. The session catalog is exposed …
While preparing for a workshop on Node.js, I ran into the by far quickest way to get some a simple Node.js application running against a MongoDB database. I stumbled …
It is easy to be seduced by some of the attractive qualities of Node (aka Node.js) – the JavaScript technology that makes server side development fun again. Developing light …
Introduction In my previous blog I’ve explained what a Canonical Data Model (CDM) is and why you should use it. This blog is about how to do this. I …
This blog is about XML namespace standards. Primary for using them in a Canonical Data Model (CDM), but also interesting for anyone who has to define XML data by …
Introduction This blogpost is part III, the last part of a trilogy on how to create and use a Canonical Data Model (CDM). The first blogpost contains part I …
Most enterprises have a lot of variety in the data they deal with. Some data is highly structured and other is very unstructured, some data is bound by strict …
In my previous blog I explained how to get ADF Data in a Jet Component, this was done by iterating through a ViewObject and rendering a component per element …
One of those things SQL developers are frequently looking at is the generation of rows: having a query return records that do not really exist. For example to generate …
Introduction The last few years I’ve been working in several SOA related projects, small projects as well as quite large projects. Almost all of these projects use a Canonical …
Transferring data between technologies and application tiers is done using various formats – binary, native on the one hand and open, text based such as CSV, XML and JSON …
In a recent article, I discussed the deployment of a simple Node.js application to the Oracle Application Container Cloud. I take this one step further in this article: I …
With the release of ADF 12.2.1 in the fall of 2015, Oracle finally added support for declaratively consuming a RESTful web service that responds in JSON format. Until then, …
Some time ago I noticed this blog from Dan McGhan. In that blog he compares several ways to generate JSON from relational data in a Oracle Database. I had …
This article gives an overview of some of the most eye catching stories from Oracle OpenWorld 2015 around Data Management. It discusses on premises products such as Oracle Database …
This article gives an overview of some of the most eye catching stories from Oracle OpenWorld 2015 around integration. It discusses on premises products such as SOA Suite, BPM …