Blogs

  • APEX Execution Chain Procedure

    Preceding Execution Chains On an APEX application page, I’ve established a straightforward procedure to mimic a possibly longer-running process by utilizing sys.dbms_session.sleep. This procedure doesn’t employ the new Execution Chain; rather, it’s a standard Execute Code process type designed to execute the specified PL/SQL code. The duration of the sleep is determined by the user,…

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  • When To Use AJAX Callbacks Vs. When To Use Dynamic Actions

    I assume you are familiar with Dynamic Actions. If not, please read this. I also assume you have a basic understanding of AJAX Callbacks, even if you’re not well-versed in the details. Both Dynamic Actions and AJAX Callbacks allow developers to call PL/SQL from JavaScript, a highly powerful capability. Technically, an APEX Callback can only…

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  • Bitmap Indexing in Operating Systems

    In the domain of database management, efficient data retrieval is crucial. Among the many indexing techniques used to improve query performance, bitmap indexing is especially notable, particularly in data warehousing and analytical processing contexts. This article examines the complexities of bitmap indexing, discussing its structure, implementation, benefits, and applications. What is Bitmap Indexing? Bitmap indexing…

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