Category: Oracle
In our current ADF10g project we have many refresh issues. After an insert or update some view object attribute values are not shown. Many attributes of our entity based …
In a proper and user-friendly application, it is a good idea to let your user know when his session has expired. Or to inform him that his session is …
Another world shattering topic: analyzing tag clouds. This article describes a very simple first step for some analysis at database level of tags that have been associated with database …
ADF Faces RC has built in support for AJAX and Partial Page Refresh. Through the autoSubmit and partialSubmit attributes, we can indicate that a value change or an action …
On Wednesday 25th March, I will present an ADF Masterclass seminar for Oracle University in the vicinity of Oslo (Norway). This masterclass will discuss many valuable lessons we have …
In this article, we will continue a discussion on asynchronous processing started in a previous article that introduced asynchronous and parallel processing Java using Executors, Futures, Callable Objects …
Just wanted to draw your attention to a "Knowledge Center" session at AMIS this wednessday (25 feb 2009, starting at 16:30). It concerns the new Oracle Service Bus (previously the …
(including all source code left out of the article in IOUG Collaborate 2009 Select Journal) Web applications, like any type of application, contain a great deal of boilerplate …
Processors are not going to get much faster. No higher clockspeeds are foreseen. The speed of processing will be further increasing through parallellization, engaging multiple CPU cores for …
When developing an application it makes sense to add logging to this application. The Apache Commons Logging is a way to implement logging to your application independent of the …
An advert for myself. Wow! How cool is that… The local Oracle User Group Holland starts on the 16th of April with a new series of presentations …
Last Wednesday Quest organized a seminar in Amsterdam on the performance of the Oracle database and the programs you write for it. There were three presentations. Development Application Testing …
Many people have tried to unwrap wrapped PL/SQL. Most people haven’t succeeded in doing it, but since Pete Finnegan’s presentation on the 2006 Black Hat conference, http://www.blackhat.com/presentations/bh-usa-06/BH-US-06-Finnigan.pdf, unwrapping …
A quick overview of you can create an SCA Composite Application that publishes a WebService interface, accepts SOAP Messages and write their contents to a file, appending a …
An Application Context in the Oracle Database is a name in-memory collection of key-value pairs. Applications can store values in an Application Context – using a package associated with …
ADF Faces 11g does not contain tags such as af:head and af:body. Instead there is af:document, an abstraction from the documents served to potentially different clients. A JSF …
One of the rather cool pieces of functionality that did not make it into the JDeveloper 11g Boxer release of early October 2008 is the Meta Data Service …
When you run a ADF Faces 11g Rich Client components application, you (or rather your users) are hit with a substantial JavaScript download overhead. It is not surprising, …
During the 7Up workshop, a workshop geared towards experienced developers who want to get up to speed with everything that happened in Oracle since release 7, one of the …
Steven Feuerstein wrote an entry on his Toadworld blog where he checks the refactoring capabilities of SQL-Developer. I am trying the same things in PL/SQL Developer to see if …
One thing that always draws me in tools, libraries and frameworks: what are the hooks, the backdoors, the extension points, the APIs, the event listener registration facilities etc. Today …
2009 will be the year of JEE 6. Important specifications in the JEE 6 platform are Servlet and JavaServer Faces. JEE 6 will contain the Servlet 3.0 specification …
This morning I received an email from a reader of one of my articles on the blog. The challenge in the email: I want to programmatically create an …
Here you will find the first demo from my Devoxx 2008 presentation. It shows how you can rapidly create a rich web application based on Java Server Faces …
I am currently attending the Devoxx Conference in Antwerp, the largest gathering of Java developers this side of the pond. I was last here in 2005 – a …
As I was preparing for my Devoxx presentation next Monday, I decided to look at the somewhat harder way of integrating a JPA based business tier into a JavaServer …
For the last two days the AMIS 7Up Workshop took place in our office in Nieuwegein. The training consists of two SQL and another two days of PL/SQL. During the first …
ADF 11g Rich Client Components have a facility called the Change(d) Indicator. The changed attribute is specified using a Boolean value or expression (typically the latter). When the …
In a project where i am working on, we needed to show an image and the image should be change when a user would like to do that. For …
The ADF 11g Tree Table component can be used for the compact presentation of fairly complex data sets. It allows the user to quickly drill down to a specific …
Inspired by a blog article by Edwin Biemond, I decided to try it out myself: previewing an PDF document in an image. However, Edwin used jPedal (http://www.jpedal.org/), a commercial …
When I was in Chicago for the OPP2008 and APEXposed event I talked to someone who seems to have trouble understanding bulk operations in PL/SQL. I helped him out …
When we wrap a rich table in a panelcollection component, we get some interesting additional functionality. This includes the ability for the end user to hide and display …
Today a discussion arose with one of the UI Designers on the ADF 11g project I work on. He is used to a certain way of styling web applications. …
My challenge of the day: a query that returns aggregate values. And that can be manipulated dynamically to sometimes aggregate grouped by one dimension, sometimes along multiple or …
Op 3,4,10 en 11 december organiseert AMIS weer de 7Up training. In vier dagen worden de deelnemers wegwijs gemaakt in de nieuwe mogelijkheden die Oracle biedt. Veel mensen zijn …
While working in Oracle eBS it can sometimes be very helpful to have a quick overview of how and/or what is setup. Sometimes it is enough to just use …
We were faced by an interesting challenge: our JSF application should display boilerplate text – titles, button labels, prompt, error messages, tool tips etc, – in a context …
In a recent article, I discussed how to create a fairly structured hierarchical report – table style – using ADF 10g not-so-rich Faces – see creating-a-read-only-hierarchical-table-report-with-adf-10g. The temptation …
Presenting information to end users can be somewhat challenging, especially if you want to provide a lot of information on a single page in a structured way. You …
![Tag Cloud analysis in SQL and PL/SQL – Using Collections, Table Operator, Multiset and Collect operator]({"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"} "Tag Cloud analysis in SQL and PL/SQL – Using Collections, Table Operator, Multiset and Collect operator")