Thanigai Solutions (Oracle APEX Blogs)

🚩Introduction  In Oracle APEX, Shortcuts let developers create reusable pieces of text, HTML, or logic that can be used in different parts of an application. This helps avoid repeating the same code or content. Instead of writing it again and again, you define it once and reuse it wherever needed. This makes the application easier to maintain, more efficient, and better organized. 📑  Why This Approach Is Needed In Oracle APEX applications, developers often need to reuse the same text, HTML, or logic across different pages. Writing the same content again and again can cause duplication, inconsistency, and extra maintenance work. The Shortcuts feature helps to solve this by allowing you to define content once and reuse it wherever needed in the application. This approach is useful when: You need to reuse common text, messages, or HTML across multiple pages The application requires consistent content or formatting throughout You want to reduce duplication and simplify maintena...

🚩Introduction  In many Oracle APEX applications, data often has a parent-child relationship, such as departments and their employees, or orders and their order items. Showing this related data clearly, without making the page feel crowded, is important for a good user experience. A useful approach is to show the child records right inside the parent row itself, when the user clicks a button. Instead of opening a separate region or navigating to another page, the child data simply expands within the same row. This keeps the report compact, easy to read, and gives users full control over what they want to see. 📑  Why This Approach Is Needed In Oracle APEX applications, users often need to view related child records without losing context of the parent record they are looking at. If the child data is shown in a separate region or page, users have to keep switching back and forth, which can be confusing. Showing child data within the parent row becomes useful when: Users want t...

🚩Introduction  In modern Oracle APEX applications, it is important to make file handling smooth and easy for users. One useful feature is showing a file preview during upload without submitting the page. This allows users to quickly check images or PDF files before saving them. Instead of waiting for a page reload, users can instantly preview the uploaded file using an iframe and JavaScript. This removes unnecessary page refreshes, making the application faster, more efficient, and easier to use. 📑  Why This Approach Is Needed In Oracle APEX applications, users often need to upload and preview files like images or PDFs before saving them. Using a full page submit for preview can slow down the process and make the experience less smooth and less interactive. This approach is useful when: You want to provide  instant file preview  without page refresh The application needs to feel  fast and interactive You want to avoid unnecessary  page submissions Better...

🚩Introduction  In many Oracle APEX applications, public pages are accessed using links generated outside of APEX, such as from emails, external systems, or third-party portals. These URLs often carry parameters like an ID or reference number to show specific data. Normally, APEX protects these URLs using a built-in checksum. But when the URL is generated outside of APEX, then the APEX rejects the request as a checksum mismatch . To solve this, we can build our own custom checksum logic using the DBMS_CRYPTO package, so the link stays secure even when it's created from outside the application. 📑  Why This Approach Is Needed In Oracle APEX applications, public pages are open to anyone with the link, which means the URL parameters can be easily changed by a user. If there is no validation, someone could simply edit the ID in the URL and view data that doesn't belong to them. Building a custom checksum becomes important when: The URL is generated outside of APEX, so the default ...