APEX Instant Tips with Anton Nielsen and Marwa Chouchene

This episode of APEX Instant Tips explores how to build mobile‑optimized Oracle APEX apps using the Universal Theme. Anton and Marwa walk through regions, templates, slots, mobile patterns, dynamic actions, and UI refinements, demonstrating how to enhance usability and layout across devices, including using simulators for responsive testing.

Anton and Marwa kick off 2026 with a focused look at the different options (and idiosyncrasies) of APEX_ERROR you should be aware of.

Anton and Marwa demonstrate how to execute host-level commands and call APEX APIs from outside the APEX runtime—useful for automating tasks, scripting maintenance jobs, or integrating with external workflows. They also highlight key considerations for security and context management to ensure safe and effective execution, all in about 5 minutes.

Anton and Marwa explore the power of facets in Oracle APEX, showcasing how to apply them across charts, Interactive Reports, and Interactive Grids to enable dynamic filtering and data slicing. They share practical examples and best practices to enhance user experience—all in about 5 minutes.

Anton and Marwa dive into optimizing browser caching for static assets—like images, CSS, and JavaScript—demonstrating how to configure cache headers to improve performance and minimize redundant downloads. They cover ideal caching durations and practical tips to boost your APEX app’s load speed.

They explain how Oracle APEX automatically versions static files and how to leverage this mechanism to ensure that the latest JavaScript changes in static files are always loaded without manual cache clearing.