Category: Oracle
How do you trace performance issues and bottlenecks in your PL/SQL applications? Since 8i the Oracle database has been equiped with the profiling tool dbms_profiler. It is quite simple …
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, …
Title: Pragmatic Unit Testing Authors: Andrew Hunt, David Thomas ISBN: 0-9745140-2-0 pages: 150 This book gives a good introduction into the different aspects of unit testing. It’s easy readible …
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 …
Oracle’s latest database release 10g R2 does not support OWB (Oracle Warehouse Builder). All OWB’s up to and including the current version 10.1.0.3 are not certified by Oracle 10g …
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 – …
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 …
In my prior post about VPD I stated that VPD is not a new functionality Oracle added to 10g Enterprise Edition. In fact it was already available in the …
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 …
I was not that aware of the fact that there were other (better) ways to secure data without using functions in views until I was involved in a project …
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 …
Following the Search Plugins for askTom and Oracle Docs, I created a search plugin for the Amis Technology Blog. Installation: Simply unzip the Amis Search Plugin in the Searchplugin …
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 …
Mockobjects are the classic solution to the even more classic problem of how to test code in isolation, when that code needs other objects to perform its tasks. The …
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 …
Title: Beginning Oracle Programming Authors: Sean Dillon, Christopher Beck, Thomas Kyte with Joel Kallman and Howard Rogers Publisher: Apress ISBN: 1-59059-286-7 Publication Date: Sep 2003 Website: http://www.apress.com/book/bookDisplay.html?bID=253
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 …
Sometimes you want to search for Oracle database messages, their meaning or you are in search of specific database event settings. For instance, a long time ago i was …
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 …
I just read in a Dutch IT magazine (Computable) about the release of Bizgres 0.7. Bizgres is an open source project: The Bizgres Project (www.bizgres.org), a Greenplum-sponsored, community-supported, open …
This post is the first one of a set that I will write about Oracle Lite. I have been working with Oracle Lite and I am impressed. Not by …
Hierarchical queries using CONNECT BY logic are discussed quite frequently. Often in terms of EMP, the famous demo table that has a self referencing foreign key – MGR to …
Yesterday we – that is: this AMIS Technology Weblog – had our 500,000th post-read. Over half a million times, someone has read one of our articles! The AMIS Technology …
My two previous posts discussed presenting data in a tree-like fashion and filtering hierarchical data sets on certain query conditions while still returning a tree-like result set. This post …
Hierarchical queries return data in a tree like structure. The query is performed by walking the tree that is made up of parents and children, each non-root-node linked to …
Developed by Francois Degrelle, this is a great enhancement for any Oracle Forms 9i or 10g application: a simple to install plugin that allows users to resize columns in …
Recently I have had several occasions where I had to implement a List of Values, allowing the users to select a value from a large set of reference values. …