SQL Developer: Quick Outline with SQL statements

Most of you probably know the "Quick Outline" function you have inside the SQL Developer.
It helps you to easily jump between different functions/procedures inside a package.


My colleague Holger told me about a bug in SQL Developer 3.x where you could use the "Outline" view with normal SQL files, too. Unfortunately in version 4 it didn't work anymore. So he stayed with version 3 for a long while. Otherwise he would had to (more...)

Tablespaces verkleinern (TEMP, USER_TS, ORA-03297)


Info
Die Select-Statements in diesem Blogpost habe ich von anderen Webseiten kopiert. Daher ist dieser Beitrag eher als Zusammenfassung unterschiedlicher Lösungsversuche zu sehen und dient mir als schnelle Hilfe bei der Verkleinerung eines zu großen Tablespaces. Schaut euch die Quellen an, die sehr viel detaillierter auf die jeweiligen Probleme eingehen.

Wer kennt nicht die Situation? Der DBA ruft an und meint der TEMP Tablespace verbraucht mehrere hundert Gigabyte an Speicher.

Was ist in solch einer (more...)

DOAG 2016 Review


Die diesjährige DOAG war für mich anders als die Jahre zuvor. Dieses Jahr lag mein Fokus weniger auf Vorträgen, sondern mehr auf Community-Aktivitäten und Jugendarbeit.
Daher habe ich diverse Unconference Sessions besucht und viele Unterhaltungen geführt. Dabei habe ich zum Beispiel erfahren, dass es eine neue Community innerhalb der DOAG gibt  -  die DOAG NextGen. Bei der es darum geht, junge Menschen für Oracle zu begeistern.

DOAG 2016 und weitere APEX Events im November

Das größte deutschsprachige Oracle Event des Jahres steht vor der Tür.
Die DOAG Konferenz vom 15. bis zum 18.11.2016.

Wie schon in den letzten Jahren, bin ich auch dieses Jahr wieder mit dabei.
Mein Vortrag zum Thema "SVG in APEX" findet am Mittoch dem 16.11. um 13:00 Uhr statt.


Den Vortrag halte ich nicht allein. Sebastian Reinig ein sehr talentierter junger APEX-Consultant hält den Vortrag mit mir Zusammen. Sebastian hat (more...)

Open a windows directory from inside your APEX application (IE, Firefox, Chrome)

Back in 2010 I wrote about a solution for IE only: Open Windows directory with APEX (IE only)

The request itself appears at least once a year in one of my projects.
Nowadays I do not propose the workaround from 2010. It just doesn't fit in modern browsers.

Today I got another request to open a directory and this time I searched for 10 minutes and found a suitable solution working in IE, Firefox and (more...)

"ORA-20001: Application ID and current security group ID are not consistent" encountered during APEX Upgrade from 4.x to 5.x

Recently, our QA team at Oracle was testing database upgrades, and the following error appeared in the database upgrade log while the APEX component was being upgraded:

...Installing Theme 1

API Last Extended:20130101
Your Current Version:20130101
This import is compatible with version: 20130101
COMPATIBLE (You should be able to run this import without issues.)
--application/set_environment
APPLICATION 108801 - Theme: Simple Red
--application/delete_application
begin
*
ERROR at line 1:
ORA-20001: Application ID and current security (more...)

APEX Frühstück Meetup Wien

Kurz notiert: am 4.11.2016 gibts ein APEX Frühstücks-Meetup mit vielen neuen Infos zu Oracle APEX.

Bitte hier anmelden: https://www.meetup.com/orclapex-Vienna/events/234665282/

OTN Nordic ACE Tour : A Tale of Three Cities

3 days - 3 cities - 6 presentations (4 different ones)

My tour started on Monday afternoon when I left my house around 1.30PM to get on the bus to the train station. The 2PM train left exactly on time for the Amsterdam airport. I arrived at Schiphol around 3:30PM, perfectly on time to catch the 5PM flight to Copenhagen.
The flight to Copenhagen was very uneventful. From the airport I took the train (more...)

Presenting at KScope can change your life

Back in 2008 I was invited by Scott Spendolini to speak about my experiences with Oracle APEX at the German telecom shops at the KScope conference in New Orleans.

It was a truly great experience. 

At that time the system I had built was one of the larger deployments of Oracle APEX known in the community serving 6.000 users in the 800 telecom shops in Germany with 400.000 hits per day on (more...)

OTN Appreciation Day : APEX

If you're following some Oracle blogs or Twitter, you'll see many blog posts starting with "OTN Appreciation Day : " today. You can read the story behind this initiative on Tim Hall's blog. "The blog post content should be short, focusing more on why you like the feature, rather than technical content."
In my life Oracle played (and is still playing) an important role... and it all started because I love working with (more...)

OTN Appreciation Day : APEX Metadata Repository

Thanks Tim for coming up with that great idea.

My favorite feature is the Oracle APEX Metadata Repository.

As you are probably aware of, APEX applications aren’t compiled. They are stored as metadata in a relational data model. Of course we aren’t allowed to access the tables in the APEX schema directly (e.g. APEX_050000), but APEX provides a bunch of dictionary views to read everything you want to know.

You can find all views (more...)

Remove the screen reader link from your APEX Footer without breaking the UT Subscription

That’s a looong title, right?

I got a questions like that in the past year on a regular basis: “do you know how to remove the Set Screen Reader Mode On link from an APEX application footer without breaking the universal theme subscription?”

sample_database_applicationAnd I always had to say “never tried, but there must be a way”. Today was finally the day when I wanted to get rid of the message from one of (more...)

APEX 5.1 NF : Show Custom Application Icons in the APEX Builder

It just isn't fair. If you install a Packaged Application - and you should because there is a lot to learn from those apps - in your APEX Workspace they all have a cool looking icon. And your own applications, just show up with two characters in a (random?) coloured box. Why can't I have a nice looking icon for my application?


In APEX 5.1 you can!
Upload an image as a Static (more...)

It’s happening again … running for the ODTUG Board of Directors 😉

For the third time in a row I'll be running for ODTUG's Board of Directors. But after ending as a runner up twice, I am sure I'm going to make it this time! But not without your help!

My campaign statement this year is:

I have been attending and presenting at Kscope conferences since 2007. This not only resulted in a vast amount of knowledge, but also - and even more important - a huge (more...)

OTN Nordic ACE Tour

In 1.5 week I'll be travelling to and through the Nordics as one of the speakers during the OTN Nordic ACE Tour. It will be quite a busy schedule!

On Monday afternoon I'll be flying to Copenhagen and will meet my fellow travellers for the week during a dinner hosted by the Danish Oracle User Group. On Tuesday I have two sessions during the event: One about APEX JavaScript API's and one about APEX (more...)

Wiederholung APEX 5.0 Best Practices

Wegen der großen Nachfrage veranstalten wir jetzt einen Zusatztermin für den APEX 5.0 Best Practice Kurs am 21.Nov - 23. Nov. 2016.

Anmeldung zum Kurs

Creating interactive graphics in APEX with Raphaël (RaphaelJS)

Some of you may know of my personal interest for SVG interaction in APEX applications. I have been working with a JavaScript library called "Raphaël" (RaphaelJS, raphael.js or just raphael) for a while now. It is an amazing plugin to create all kind of customized business solutions. But before I show you how I have used Raphaël I tell you how I came to the technology and what happened in the last few years.


(more...)

Fix Interactive Report headers issue when using a Region Display Selector

When you have multiple Interactive Reports (IR) on your page and use a Region Display Selector to mimic tabs, you might notice some weird behaviour in the IR headings if you switch tabs. The headings are not positioned correctly and you get an extra empty row under the headings. It just looks weird and ugly. But if you resize your browser window, it all looks fine again (until you switch to another tab..)

Creating an APEX plugin for an Oracle JET component – Part 2

In my previous blogpost I showed how you can embed an Oracle JET component in your APEX application. Now it is time to make a plugin out of the wisdom we gained doing so.
First of all a disclaimer. My intention is to make this plugin and the inner workings as simple as possible. So you can add a lot more functionality, checks etc and therefore add complexity. But this is intended to be as (more...)

Creating an APEX plugin for an Oracle JET component – Part 1

In APEX 5.1 (still Early Adaptor 1 at this moment), Oracle JET - Javascript Extension Toolkit -  is included to facilitate charting.
The APEX Development Team recently mentioned that not only the Data Visualisations part of JET will be included in APEX 5.1, but the complete installation of JET. The whole package. That won't do the size of the downloadable install file any good, but more important is: what can we do with (more...)