Oracle, APEX, Java, J2EE

Hidden Columns for Tables with Column Objects When a table is defined with a column of an object type, Oracle adds hidden columns to the table for the object type's leaf-level attributes. Each object-type column also has a corresponding hidden column to store the NULL information for the column objects (that is, the atomic nulls of the top-level and the nested objects). Link to Oracle Doc

Finally APEX 4.0 is released. Download APEX 4.0 For which we all are waiting. Great!!!

Oracle Database 11g Release 2 RAC On Linux Using VMware Server 2 http://www.oracle-base.com/articles/11g/OracleDB11gR2RACInstallationOnOEL5UsingVMwareServer2.php

Save Our Tigers | Join the Roar www.saveourtigers.com Show your support for our national animal! Join the movement to stop India’s tigers from fading away. Save Our Tigers - an Aircel initiative in partnership with WWF India.

It is better to call shell command (having multiple spaces) by passing all arguments using a string array. For e.g. try{          String myCmd[]={"command","dest","src"};          shell.exec(myCmd); }catch(Exception e){         System.out.println(e.getMessage()); }

Oracle APEX 4.0 Features

MOD_PLSQL is an Oracle HTTP Server (Apache) extension module that allows developers to create dynamic web pages from PL/SQL packages and stored procedures within the database. It is ideal for developing fast and flexible applications that can run on the Internet or an Intranet.

Oracle Application Express (Oracle APEX) is a rapid web application development tool for the Oracle database. Using only a web browser and limited programming experience, you can develop and deploy professional applications that are both fast and secure.