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Working with the Apex 5 treeview
Apex 5 includes a new treeview widget. I haven't been able to find good documentation on how to use the treeview. This blog post is an attempt to summarize what I have gleaned from the help text, forum...
View ArticleORA-01445 in Interactive Report when importing Apex 3.2 app into Apex 5.0
Just a quick note about an error I encountered when importing an old Apex 3.2 (!) app into Apex 5.0.2.Using Apex 5.0.2, I have imported an application which ran fine under Apex 3.2, that had an...
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How to set up IIS as SSL proxy for utl_http in Oracle XE
If you want to call a web service over HTTPS from the utl_http or apex_web_service packages in PL/SQL, you need to set up an Oracle Wallet that contains the SSL certificates of the server you are...
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Blog retrospective
Not long ago I suddenly realized I had published my 100th blog post, so I figure it's time to look back and write down some thoughts about the blog.I started this blog in 2008, so it has taken me all...
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Minimal privileges for Amazon S3 backup user
This is a follow-up to an old post I did about how to backup Oracle database schemas to Amazon S3 using PL/SQL.In short, the packages provided in the Alexandria Utility Library for PL/SQL allow you to...
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Using the PayPal REST API from PL/SQL
Do you need to accept payments for goods and services via your (APEX) application and would you prefer to handle the payments in the database via PL/SQL? Then this blog post is for you... :-)Almost a...
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Using inline dialogs in APEX 5
APEX 5 has built-in support for dialog boxes. These come in two varieties; dialog pages (which show another standard APEX page in a dialog box using an iframe) and inline dialogs (which show a region...
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OTN Appreciation Day: Oracle Express Edition (XE)
Tim Hall of oracle-base.com fame suggested we should all do an "OTN Appreciation" day in honor of the Oracle Technology Network (OTN), by blogging about our favorite Oracle product or feature.My...
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APEX plugin files and 404 not found in ORDS
After installing APEX 5.0.4 and ORDS 3.0.8 I had an issue where APEX plugins that have static files bundled with the plugin (files that at runtime get mapped to URLs such as...
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APEX Plugin: Calendar Heatmap Region
I was looking at the GitHub "contribution chart", which shows number of commits per day as a heatmap calendar. I thought this type of chart would be cool to have as an APEX plugin, so I went ahead and...
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Using VS Code for PL/SQL development
I've been using Sublime Text as my main editor for PL/SQL development for many years, but I'm now in the process of switching to Visual Studio Code (VS Code).Some good reasons to use VS...
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ODC Appreciation Day: The PL/SQL Language
Like last year, Tim Hall of oracle-base.com fame suggested we should all do an "ODC Appreciation Day" in honor of the Oracle Developer Community (ODC), by blogging about our favorite Oracle product or...
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Oracle XE 12c becomes Oracle XE 18c
Oracle Database, Express Edition (XE) is a free version of the Oracle Database, currently available as version 11g (11.2) for Windows and Linux.A planned new version of Oracle XE based on 12c (12.2)...
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Pivot Table plugin for APEX (Updated)
Some years ago I created an APEX region plugin for displaying the results of a query as a Pivot Table. You can read the original blog post about that here.The plugin proved quite popular, but people...
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Using the Slack webhook API from PL/SQL
Slack is a web-based chat room popular with many companies. Slack also has an API that can be used to post messages to a given "channel" or chat room. The simplest API offered is the "webhook"...
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APEX Authentication with Microsoft account
In the upcoming Oracle Application Express (APEX) 5.2 release, support has been added for so-called "Social Sign-In" authentication. This means that your users can login to an APEX application using an...
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Thoughts about the APEX_UTIL package
The APEX_UTIL package in Oracle Application Express is a mixed bag of "miscellaneous" stuff.From the documentation: "You can use the APEX_UTIL package to get and set session state, get files, check...
View ArticleQuick PL/SQL, a code generator for PL/SQL based on simple markup
Maybe you've heard about "Quick SQL", a utility (previously a separate application, now part of APEX 18.1 itself) that generates SQL scripts based on a simple markup language. Quick SQL is a real...
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APEX Plugin: Execute PL/SQL code and return content to page (updated)
Oracle APEX has a built-in Dynamic Action called "Execute PL/SQL Code" that executes a block of PL/SQL code on the server via an Ajax call (ie does not do a regular submit and reload of the whole...
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Thoth Gateway version 1.4.3 now available
I've updated the Thoth Gateway (a PL/SQL web gateway similar to mod_plsql and ORDS, but written in .NET that allows you to run APEX and PL/SQL Web Toolkit applications using Microsoft IIS web...
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