Author: Lucas Jellema
The JHeadstart Blog just published a very good blog by my former colleague Sandra Muller: ADF Business Components Diagnostics. Previously, I knew to find a few remarks on this …
A very interesting feature in the Oracle 10g Data Pump I becase recently aware of is the option to link an Export job in one database to an Import …
Debugging JavaScript code – an all too familiar nightmare. Yesterday I was told about Venkman for FireFox, today I found this article in DevShed: Debugging in Javascript, Contributed by …
In een serie van drie artikelen lopen we door de wereld van Java Server Faces. Het vorige deel gaf een introductie op de basis elementen binnen de JSF standaard. …
I have posted a few articles on generating Scalable Vector Graphics (SVG) – for example for PieCharts, SpeedoMeters and LineCharts. Buried in those posts are instructions on enabling SVG …
This weekend I read a small article in a local Dutch IT-magazine that took me by surprise. I suppose I should have seen it before, but for some reason …
Our weblog started last July. Since then we had over 250000 hits from over 45000 different IP-addresses. Last night, I sat down to do a comparison between the various …
Last week, I sat with six colleagues at the AskTom Live – seminar with Tom Kyte. You can see us sitting here in the frontrow. You may have seen …
I ran into an interesting discussion on The Server Side: Comparing Oracle 10g and SQL Server Yukon. It contains a link to a white paper: Features, strengths, and weaknesses …
In this post I discuss how the ADF Binding Framework and the ADF Business Components Model can be used to import model-data as XML into a JSP and more …
If you want to set default values for ViewObject Attributes in new records, you can now very easily do so when your application makes use of the ADF JHeadstart …
An interesting white paper: Struts best practices Multiple options are available for solving problems with Struts. When deciding among these alternatives, the choice must be based on parameters such …
I have written a number of posts on alternative, far fetched usages of Table Functions. My all-time high thusfar was a post titled Table FUNctions: select a graph in …
In a previous post Making up records in SQL Queries – Table Functions and 10g Model clause I discussed how you can make use of either a Table Function …
This post does not contain anything spectacular. I will discuss various ways in UIX to conditionally display elements using very trivial techniques – a databound rendered attribute, the if …
An interesting article Of Persistence and POJOs: Bridging the Object and Relational Worlds, by Rod Johnson and Jim Clark in Mastering J2EE Application Development Series on OTN (the Oracle …
It has always been my understanding that choosing ADF (Oracle’s relative new Application Development Framework and the – perhaps premature – implementation of the JSR-227 – means choosing JDeveloper. …
We collect information about all visist to our weblog. We know for example the IP-address for every visitor. It would be interesting to also have the Country for these …
Want to know more on Oracle BPEL Process Manager and in particular about the upcoming release with the JDeveloper plugin? This article gives an overview as well as some …
Today – January 27th – we have another AMIS Query, this time on Oracle BPEL Process Manager. AMIS Queries are a series of expert technical sessions for AMIS staff, …
Organizations currently using JHeadstart 9.0.4.x or 9.0.5.x (for JDeveloper 9i or JDeveloper 10g (9.0.5.x) may wonder whether and when they should pick up the soon to be released ADF …
As was announced early in 2004, Oracle has just released the Oracle Business Intelligence Spreadsheet Add-In. This is an add-in for Excel. OracleBI Spreadsheet Add-In enables end users to …
This post discusses how a Web Service can be published based on a PL/SQL Package inside the Oracle Database – using Oracle 10g JDeveloper. In this article we will …
You may have seen our AMIS Library System application (ALS). It is shipped as demo-application (for JHeadstart & Toplink) with JHeadstart 9.0.5.x. We also have a BC4J version of …
This post discusses how a Web Service can be consumed from PL/SQL inside the Oracle Database through the use of the UTL_HTTP supplied package. In this article we will …
Today we received a hot build of ADF JHeadstart Beta for JDeveloper 10.1.2 (build 10). We have been experimenting with the ADF JHeadstart beta build for several months now …
The post JCIFS and jWebUnit by Matt Raible describes use of JCIFS to achieve single sign on for web applications based on the Windows Login. On my current project, …
This post discusses how a Web Service can be consumed from PL/SQL inside the Oracle Database through the use of Java Stored Procedures. In this article, we will create …
I found a very interesting article on how to get started – and what to expect – from Lucene, the Jakarta Apache text search engine library written entirely in …
The Oracle JHeadstart team is working hard on their ADF JHeadstart release for JDeveloper 10.1.2, to be released shortly – within a month according to the current plan. This …
Recently I installed Oracle Designer 9.0.4.5 – a maintenance release, released on November 18th. Previous releases were 10g (9.0.4.3) and patch release 9.0.4.4. All these releases contain a new …
I have some vague plans for presenting statistics using SVG and a World Map. I was thinking for example about the spread of the visitors of our Website across …
Recently I dipped into XSLT somewhat more seriously than I had done for quite some time. For some reason, I find XSLT not so intuitive to me that all …
During the last few years I have had several occasions to wonder who used the website and web-applications I had helped develop and deploy. Most recently I had this …
Tonight I completed a paper on using JDeveloper as a tool for Database Design and Generation as well as PL/SQL Development. This paper is in Dutch and will be …
One of the Christmas presents from Oracle this year was the release of the 10g Business Intelligence tools. Most interesting among them was probably the long awaited Drake release …
SVG in combination with XML/XSLT is a tremendously powerful architecture to produce dynamic charts based on XML data – that can easily be generated from databases such as Oracle …
In July 2004 we at AMIS started this Weblog. Initially we primarily wanted to share knowledge among all people working at AMIS. Later we decided to make the Blog …
This post discusses how data retrieved from a MySQL or Oracle database using the JSTL SQL tags is processed as XML document, transformed using XSL and rendered as SVG …
While working on more advanced Statistics Reporting for our weblog, I did some investigations into JSTL and more specifically the XML and SQL tags. Yes, I know I have …
![Courtesy of Tom Kyte: Generating rows in SQL with the CUBE statement – no dummy table or table function required]({"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"http:\/\/seattletimes.nwsource.com\/ABPub\/2012\/08\/02\/2018836700.jpg","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"} "Courtesy of Tom Kyte: Generating rows in SQL with the CUBE statement – no dummy table or table function required")