Automatic deployment .ear file to Oracle Application Server 10.1.3 (OAS) with Ant tasks

Betty van Dongen

In this post I would like to share an example how to deploy an .ear file with an Ant script to the Oracle Application Server 10.1.3 (OAS). Automatic deployment can help improve the release process. First of all because manual deployment usually costs time of the developers. Especially the lead […]

On the Integrity of Data

Lucas Jellema

To be useful, data held and used in information systems has to live up to a number of expectations. The data should be an accurate representation of its source. It should be reliable. The data should have internal consistency. The data should adhere to rules based on the logic of […]

OTN Yathra 2013: Verkenning van de IT-sector in India

Saskia van der Maat

Lucas Jellema heeft voor Computable zijn ervaringen van de twee weken durende conferentie tour, Yathra 2013, samengebundeld. In het verslag ‘Verkenning van de IT-sector in India’ wordt ingegaan op de verwachtingen, vooroordelen, het algemene beeld en op de ontwikkelingen van de IT in India en schetst een beeld over de […]

ADF DVT – Scaling TreeMap components for comparisons across masters and categories

Lucas Jellema

In a recent article ( I discussed the ADF DVT Treemap component. This component visualizes data in such a way that comparisons between data values for different records and categories can quickly be made. The size of areas is a measure for some numerical value. As an additional dimension, the […]

Hotsos Revisited 2013 – Presentatie materiaal

Marco Gralike

Hierbij nog dank voor allen die aanwezig waren bij de weer gevulde, informatieve & gezellige avond tijdens “Hotsos Revisited 2013”. Wij presentatoren hebben genoten van het ambiance. Hier ook nog voor degenen die graag het nog een keer willen nalezen het presentatie materiaal van Toon, Jacco, Gerwin, Frits en mij… […]

Oracle SQL – Finding free adjacent seats in an airplane, using Subquery Factoring, Analytical Functions (LISTAGG and LEAD), Outer Join, PIVOT and good old INSTR

Lucas Jellema 1

Using Oracle SQL to resolve meaningful and slightly less serious challenges is one of my favorite (semi-)professional pastimes. In the last two weeks, I have been presenting on various topics including Oracle SQL to audiences in six cities all across India as part of the OTN Yathra 2013. These presentations […]

How Oracle Database uses internal locks to make statement level constraint validation robust at the transaction level

Lucas Jellema

Data Constraints are essential in protecting the integrity of the data in any relational database. The Oracle Database provides four types of declarative constraints that help implement various types of data rules. These are: Primary Key, Unique Key, Foreign Key and Check Constraint. Although these constraints can be configured to […]