Author: Lucas Jellema
It turns out that the combination of the Table API (TAPI) as generated by Oracle Designer and MERGE operations using the Oracle 9i SQL Merge statement are not compatible. …
On my current project I am doing a lot of work with CDM RuleFrame and the Oracle Designer Table API. I just learned that the TAPI cannot survive MERGE …
The concept of Virtual Private Database – aka Row Level Security or Fine Grained Access Control – is quite powerful. Without any impact on the SQL used in the …
Yesterday just prior to our AMIS Query on ADF Faces I was talking to Toon Koppelaars about quite something else: the end_date column in tables that contain contiguous records …
Trying to make myself useful by answering some of the questions on the OTN SQL and PL/SQL Forum, I came across this question: Group Above Report problem…not able to …
Today I decided to write a small package, an extension, to the Repository Object Browser for Oracle 10g (or 9i) Designer and Oracle 10g SCM. This extension will provide …
Virtual Private Database does not let me go. Today I had another burning question to which I could not see the immediate logical answer. I know that when a …
The question on the OTN Forum was: How do i add rows to a pl/sql table and then use the table to open a ref cursor.. Somehow I was …
Years ago I have read about the package dbms_application_info for the first time. This is a standard supplied package, shipped with every Oracle Database. It can be used to …
A very good instruction on the programmatic interface to Orace’s PL/SQL debug facilities. If you do not happen to have a GUI PL/SQL debugger – such as in JDeveloper …
What happens if the policy function on table A returns a predicate that refers to table B and table B has its own policy. For example: in a Master-Detail …
Does Oracle provide a SELECT trigger in the same way that we have INSERT, UPDATE and DELETE triggers? No, it does not. However. It does offer something that comes …
The 10gR2 or Paris release of Oracle Warehouse Builder is attracting a lot of attention. During Oracle Open World 2005 of course, and in a number of Blogs by …
Rob just asked me if he could easily create break groups in a normal SQL query, somewhat like BREAK ON in SQL*Plus and break groups in Oracle Reports. The …
I noticed in the Oracle 10gR2 New Features Guide a piece on the Rules Manager. I have not yet figured out what it does exactly. But it certainly sounds …
Just read an excellent overview of the new 10gR2 feature of DML Error Logging: 10gR2 New Feature: DML Error Logging by Natalka Roshak on Oracle FAQ’s. It gives a …
Oracle SCM – the Software Configuration Manager – provides the backend source code control services for Oracle Designer. It offers among other things functionality for Version Control: Check In, …
It is not yet a production release, but hey: who cares when you see what it contains in terms of new functionality. Apart from the UIX design time support …
I just googled across this open source project. It is relatively simple, but can be quite useful. Its demos are at any rate useful, if only for the JavaScript …
Over the past period I have written several articles on AJAX – the Asynchronous JavaScript and XML mechanism for dynamically updating a web-page based on background communication with the …
The problem I am dealing with: downloading all data that is potentially to be displayed in the client – for example in SELECT LISTS – takes too long to …
One of the peculiarities – that word once took me three minutes to pronounce more or less correctly during a workshop in Melbourne, Australia and I vowed never to …
I just came across an article that very clearly introduces AJAX: An Introduction To Ajax Recently I did an internal presentation Enhancing Web Applications with AJAX, XMLHttpRequest, UIX – …
(this event on JSF and ADF Faces will take place in Nieuwegein, The Netherlands and will be Dutch-spoken. Hence this announcement in Dutch) AMIS Query: Java Server Faces, van …
Many applications built in the Client/Server era made use of the fact that every end user had his or her own Database User Account and every Database Connection and …
Last week, I had the opportunity to present on the Spring Framework for the Oracle Consulting Java Professional Community at Oracle The Netherlands. Having worked at Oracle for over …
Today one of my colleagues asked me “What again was your query for finding overlaps in a table with periods, demarcated by start_date and end_date. I think he was …
In several previous posts, I have wondered about the potential for combining the ADF Binding Framework and the IDE capabilities around ADF in Oracle 10g JDeveloper with the Spring …
Swinging in the sun, enjoying one of this Summer’s last great days perhaps, I was reading the September/October issue of Oracle Magazine. One the interesting pieces this issue was …
The Repository Reports in the Oracle Designer web-interface Repository Object Browser provide an overview of the most useful properties of the most important components of the elements in the …
The other day, we had a very interesting debate about the role of the database in (our) Java/J2EE projects and architectures. Should you limit the use of the database …
Spring consists of a number of modules, such as the IoC Container, AOP, MVC, Persistence, DAO and Remoting. These modules are relatively losely coupled: some can be used without …
For the on-line documentation for release 10.1.2 of the Oracle Application Server, see http://download-uk.oracle.com/docs/cd/B14099_10/web.htm. It contains besides others links to documentation on the ADF (Application Development Framework), such as …
Today I read this very interesting article by Chris Schalk – responsible for the Web application development features within Oracle JDeveloper- TheServerSide.com – Building Custom JSF UI Components. Chris …
The Repository Object Browser is a valuable web-based interface to the Oracle Designer and SCM Repository, as I discussed in a recent post: Installing the Oracle Designer Web Interface …
One frequently overlooked component of Oracle Designer is its Web Interface: the Repository Object Browser. Added in 2003 to Designer 6i and 9i as well as in 2004 to …
After a year full of stuff like Spring, UIX and ADF, JHeadstart, Struts and JSF, XSL-T and the likes, PL/SQL and SQL, I had a bout of nostalgia this …
I was kindly requested recently to do a brief – and it was stressed several times that it really had to be brief, not something I am particularly well-known …
Today I discovered GreaseMonkey mozdev.org – greasemonkey: home. Greasemonkey is a Firefox extension which lets you to add bits of DHTML (“user scripts”) to any web page to change …
It sounds intriguing. If only I could really get it. IBM has developed software, called UIMA for Unstructured Information Management Architecture, that can be used for analysis of unstructured …