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  1. How to Run PL/SQL Program: A Step-by-Step Guide
    To run PL/SQL code, you can use tools like SQL*Plus or Oracle SQL Developer, where you can execute anonymous blocks or named procedures and functions.

    Steps to Run PL/SQL Code

    1. Set Up Your Environment:
    1. Using SQL*Plus:
    • Launch SQL*Plus: On Windows, go to Start > Programs > Oracle > Application Development > SQL*Plus. On Linux/Unix, open a terminal and type sqlplus.
    • Connect to the Database: Enter your username and password when prompted.
    • Enable Output: Type SET SERVEROUTPUT ON; to view output from DBMS_OUTPUT.PUT_LINE statements.
    • Enter Your PL/SQL Block: For example:
    BEGIN
    DBMS_OUTPUT.PUT_LINE('Hello, PL/SQL!');
    END;
    /
    
    1. Using Oracle SQL Developer:
    • Open SQL Developer: Launch the application from your applications menu.
    • Create a New Connection: Click on the "Connections" tab, right-click, and select "New Connection." Enter your connection details.
    • Write Your PL/SQL Code: In the worksheet, type your PL/SQL block, for example:
    DECLARE
    message VARCHAR2(20) := 'Hello, World!';
    BEGIN
    DBMS_OUTPUT.PUT_LINE(message);
    END;
    /
    

    Example of a Simple PL/SQL Block

    Here’s a basic example of a PL/SQL block that prints "Hello, PL/SQL!":
    BEGIN
    DBMS_OUTPUT.PUT_LINE('Hello, PL/SQL!');
    END;
    /
    
    This block can be executed in either SQL*Plus or Oracle SQL Developer as described above.
    By following these steps, you can effectively run PL/SQL code and utilize its powerful features for database management and application development.
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