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Oracle SQLcl is the command line tool to connect to an Oracle database. One neat feature it has is the ability to call host commands (i.e call terminal commands directly from SQLcl). You can use any of the following to trigger a host command: host ho...
How to use Text Messages for Constants
Last week SQL Developer for VS Code was released (direct link to VS Code extension here). If you're not using VS Code (VSC) I highly suggest you download and install as it's the de facto editor for developers (regardless of programming language). I'v...
I recently had to generate a sitemap.xml for an public facing APEX application. The official sitemap protocol has the following example: <?xml version="1.0" encoding="UTF-8"?> <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"> <url> ...
Every APEX page item has a Server Side condition which controls whether the item is rendered on the page. They're various server side condition options and for the purpose of this article we'll just set it to Never (can do things like queries that re...
By default Oracle (and inherently APEX) is case sensitive, i.e. MARTIN is not the same string as martin. This is apparent in both sorting (order by) and searching (where clauses). In a previous article I covered how to do case insensitive sorting in ...
Update: thanks to Connor McDonald for pointing out how to fix this issue (see "The Solution" and subsequent explanation below). Connor wrote a followup post based on this article discussing count(*) vs count(1) differences. The Problem I recently had...
The KEEP clause in Oracle
When dealing with Oracle SQL statements and the need to parse JSON arises, you've likely encountered the json_value function. However, Oracle offers a more straightforward approach through simple dot-notation access to JSON data. This feature can sim...