How to perform 'Parallel Base64 Decode' in SQL.
-- Task: Parallel Base64 Decode
-- Language: SQL
CREATE PROCEDURE parallel_base64_decode() BEGIN
-- Implementation for Parallel Base64 Decode
DECLARE result = ...; -- Initialize variable
-- TODO: Implement core logic here
-- Step 1: Prepare data
-- Step 2: Process Parallel Base64 Decode
SELECT("Done");
END