Oracle Virtualization and Cloud Consulting
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Oracle Application Express (APEX) resources, news, and support articles. - Upgrade to APEX 5.0

It is time to get used to the new APEX builder interface. has been upgraded to the latest pre-production version of APEX 5.0. Some functionality like "Administration" are not visible any more and you have to search a bit. The overall impression is good and my old demo application seem to still work in the most of the cases.

Read Only Item Layout

The possibility to set the items conditionally to read only is one of the important security features in APEX. Using this feature you can secure your applications and it will not be possible to manipulate the protected item (region or page). The downside of this feature is that it will change the layout of the protected items to some kind of standard, ignoring the previous formatting in the "normal" mode.

Working with multiple Trees on the same APEX Page (4.2/5.0)

Ever tried to put multiple Trees on the same page in APEX 4.2?

Here's my example:

APEX 5 & Hackathon der Deutschen Bahn in Frankfurt

Wir alle wissen wie schnell es möglich ist mit Hilfe von Oracle APEX professionelle Anwendungen zu bauen.

Oracle SQL: Calculate the amount of workdays (Mon-Fri) between two dates

I searched the net for a problem in finding a way to calculate the workdays between two date values. After I tested a couple of solutions I focused to one where I didn't necessarily need a extra select to solve that issue.

I found a post at
The described function itself looked like that:

-- Created by Sonali Kelkar from Newton, MA USA

APEX 5.0: pimping the Login page

When you create a new application in APEX 5.0, the login page probably looks like this:

APEX Connect June 2015

APEX Connect in Düsseldorf in June 2015 is going to be the biggest APEX-only event in Germany so far. You should consider joining us.

APEX Connect in Düsseldorf im Juni 2015 wird der größte APEX-Treffen bisher sein. Meldet euch und hilft uns es noch erfolgreicher und größer zu machen. Viele interessante Vorträge und vor allem viele interessante Persönlichkeiten aus der APEX-Welt werden dort sein. Das ist eine ausgezeichnete Gelegenheit viel Neues zu erfahren.

Loading CSV files with special characters in Oracle DB

I often need to load the data of Excel or CSV files into the Oracle Database.

Ever got those annoying question marks when you try to load the data? or instead of question marks you just get empty blanks when the file is using special characters? Here's an example:

Oracle Database Tools updated - check out SQLcl

Today Oracle released new versions of:

APEX 5 EA Impressions: Page Designer (Part 3)

I think one part of the "Page Designer" is quite unfamiliar even to experienced APEX developers.

It is the "Grid Layout". Even I still struggle getting used to this new feature.
For that I will give you a small example how to read the new grid.
Maybe some of you have seen my example application about RaphaelJS.

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