PUBLIC MARKS with tags bdd & clevermarks

"The primary online data store for an application is the worst place to take a risk with new technology. If you lose your database or there's corruption, it's a disaster that could be impossible to recover from."

Large databases require the use of parallel computing resources to get good performance. There are several fundamentally different parallel architectures in use today

Les entreprises adoptent les systèmes de gestion de base de données relationnels libres et y hébergent des données d'applications métier critiques.

Clay is a database design tool that runs as a plug-in in the Eclipse (http://www.eclipse.org/) development environment. Clay has an intuitive user interface for graphically designing database models. Clay can also create a database model by reverse engineering an existing database. Furthermore, Clay generates the SQL (DDL) code appropriate for your database.

Plusieurs de ces présentations proposent des pistes d'optimisation de l'utilisation d'Oracle

Oracle intends to release a free version of its database, a reaction to the growing competitive pressure from low-end open-source databases.

L'Esperanto en SGBDR est représenté par les diverses normes SQL. Il y a cependant des différences mineures qui créent des problèmes majeurs aux développeurs sensés passer d'un SGBDR à un autre : le language de chaque SGBDR qui diffère pour écrire les objets compilés (fonctions, triggers, contraintes, procédures stockées), et les fonctions.

Service Data Objects (SDOs) have been around in the Java technology world since November 2003. They are designed as a means of simplifying and unifying working with heterogeneous data sources. In February 2005, IBM and Zend announced a strategic partnership to collaborate on the development and support of the PHP environment. One aspect of this collaboration has been the definition and implementation of SDOs for PHP. This article gives an overview of SDOs and the motivations for using them in the PHP environment. A simple contact management scenario is used to illustrate key concepts.