How to Grayscale Image in SQL - Code Snippet

-- Task: Grayscale Image
-- Language: SQL

CREATE PROCEDURE grayscale_image() BEGIN
    -- Implementation for Grayscale Image
    DECLARE result = ...; -- Initialize variable
    -- TODO: Implement core logic here
    -- Step 1: Prepare data
    -- Step 2: Process Grayscale Image
    SELECT("Done");
END