Speed Up Development with Logger: Generate a Template

Instrumentation of PL/SQL code is essential. My favourite tool to instrument PL/SQL is Logger.
Martin Giffy D'Souza wrote a few blogs on how to speed up development with Logger and I want to chime in with my own productivity booster.
What I have written is a PL/SQL package that will generate a Procedure or Function body with all the calls to Logger. This includes all the arguments, or at least the IN and IN/OUT arguments.

APEX: Active Tabs Based on Page Groups

Recently someone asked me: "How did you do that? When I include an APEX page in a Page Group, the correct tab is automatically highlighted"
When I setup an application, I usually use Dimitri Gielis' method, so instead of using "real tabs", I use a List and display that list as Tabs.
For each of the "Tabs", I also create Page Groups, just to keep things organized.
Each of the List Entries will have a (more...)

Oracle 12c: Temporal Validity, multiple on one table – Part Deux

One of the most wonderful things of Oracle Open World are the Demo-Grounds. When you want to learn more about a certain feature, this is the place to go to. The actual developers and product managers are there to answer your questions and more!

In a previous blog I had written about Temporal Validity in Oracle 12c and whether it would be possible to have multiple validity periods on one table. You can read that (more...)

DBMS_REDACT and complete ROW update

My session on "Oracle 12c for Developers" is done.Afterwards someone asks the question:

What happens when you use DBMS_REDACT with a complete row update?
My guess was that it would place the redacted data in the column, but I haven't tried it, so here goes:

create table emp
select ename
,to_char (abs (dbms_random.random)) credit_card
from scott.emp

(object_schema => 'A'
,object_name => 'EMP'
,policy_name => 'Hide Creditcard'
,expression (more...)

"Busy Button" with APEX5, jQuery and Font Awesome

Both jQuery and Font Awesome are standard included with APEX5 (still in early adopter). With a little bit of jQuery you can create an animated button that reflects that it is doing something in the background.
For this example I created a button "Text + Icon button". Simply drag and drop this in the Page Designer.
The Icon CSS Class: "fa-play-circle-o"
and the action: "Defined by Dynamic Action"
For the Dynamic Action: it should respond (more...)