<ul><li>Oracle PL/SQL is a powerful tool that still runs many of the world's biggest systems.</li><li>In this article, the essentials of Oracle PL/SQL are explained simply, including packages, procedures, functions, ref cursors, and loops.</li><li>Packages in Oracle PL/SQL are used to organize related logic in one place.</li><li>The article provides an example of a package with a procedure to insert an employee and a function to retrieve their salary.</li></ul>

Advanced Oracle PL/SQL Explained Simply

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