How to Base64 Decode in SQL - Code Snippet

-- Task: Base64 Decode
-- Language: SQL

CREATE PROCEDURE base64_decode() BEGIN
    -- Implementation for Base64 Decode
    DECLARE result = ...; -- Initialize variable
    -- TODO: Implement core logic here
    -- Step 1: Prepare data
    -- Step 2: Process Base64 Decode
    SELECT("Done");
END