What is finally the primary objective of a database? Storing Data 
The question is, how Oracle makes it. For many beginners a confusing topic is
to get the picture between physical storage and logical one. So how does it works?
Are you experiencing network access issues after a migration to Oracle Database 11g Release 2 (11.2)? If yes, you probably have to allow the concerned PL/SQL packages to access your network again. This posting will show you how.
Well, I have read many posts about this, but was unable to find a suitable solution up to now … Google was not my friend 
Depuis la sortie de la version Oracle 11g R2, il y a désormais de nombreuses raisons d’utiliser ASM (Automatic Storage Management) pour gérer l’espace disque des bases de données Oracle.
Souvent, je/on m’interroge sur les avantages de ce choix. Je vais donc essayer de faire le tour des situations ou il y a avantage à utiliser cet outil.