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Pretius Oracle APEX Team – summary of 2015

Without a doubt 2015 was a great year for Oracle APEX community in the world, what was summarized by Joel Kallman on the official Oracle blog. We are very proud that Pretius Team was a part of this by participating in many projects and

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Deploying multiple spring boot applications to a single application server

Spring boot is great framework to easily create applications with production-ready features such as metrics, health checks and externalized configuration. You can create stand-alone applications with embedded servlet container or you can deploy application traditionally to application server. Unfortunately spring boot

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Oracle Best Practices – win with compelxity – naming standards

Standards – annoying warrant or useful tool? Poorly prepared standards which don’t  provide anything positive  in the software development process can annoy. Programmers instead of focusing on creative programming – are concentrating on following The Standard, which is often written on several

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How to create checkbox in report in Oracle Apex 5.0 – quick tip

For new projects implemented with Oracle Application Express we are happily using Apex 5. One of the first questions was “how to create checkbox column in report?” After reading Oracle Apex documentation we came up with this select statement:

Is it

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#WEBSUMMIT Inspirations

During the early days of November ’15 we had the opportunity to attend to one of the largest conferences in Europe devoted to Startups / New Ideas / Technology – Websummit in Dublin, Ireland. As self proclaimed on the http://Websummit.net – “The

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GeeCON Prague 2015 – review

GeeCON – what is it? On 22-23 October 2015 I attended to GeeCON conference in Prague. It was second edition in Prague, but it was my first time on GeeCON. „GeeCON is a conference focused on Java and Java Virtual Machine

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Oracle: COUNT(*) vs COUNT(1) – the final battle

After the article “Count(1) or count(*) that is the question” I was asked about the proof that Oracle internally rewrites Count(1) into Count(*). Follow below steps and check for yourself 🙂 1. Create CNT_TEST table

2. Start TRACE 10053

3. Run query

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Spicy spaghetti or how to avoid spaghetti code

– You can’t name a  function “udpate_counters ” which does something else. The name should describe  program’s  functionality. The program increases a  counter, that’s  great, but apart from that it does also DELETE.  Which has nothing to do with these

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How to fix broken static files in Oracle APEX?

Working on development of the existing Oracle APEX applications many times I met a problem of Static Files that can not be refreshed. This manifested itself as follows: after deleting old version of a file (ex. javascript library) and uploading new one

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How to deploy and run a Spring Boot application on Jetty

With the help of Maven, Spring Boot provides means to run a web application on several embedded servers. It is still spring, so deploying to an existing environment is also possible.  Unfortunately, running a Spring Boot application on Jetty server requires some

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We create web applications using: Java, Oracle DB, Oracle Apex, AngularJS.
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