Web Reference: SQL keeps evolving and features such as analytic functions allow you to do incredible things without resorting to PL/SQL. Assuming this is not possible, the methods shown below should help reduce the overhead associated with the function calls. Jan 21, 2019 · I'm trying to move some column logic in a select statement into several functions, but am seeing huge decreases in performance. I'm hoping you all can help me understand why; and even better, how to fix it! After refactoring my code looks roughly like the example below. Mar 27, 2026 · FAQs Understanding SQL Functions and PL/SQL Context In Oracle, SQL and PL/SQL are tightly integrated but not the same runtime. SQL is declarative and set-oriented; PL/SQL is procedural. When you call a SQL function from PL/SQL, you can be invoking either a built-in SQL function (like NVL, TRUNC) or a user-defined function compiled in the database.
YouTube Excerpt: The second part of a mini-series of videos showing how you can improve the performance of
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