CREATE TABLE IF NOT EXISTS users ( id BIGINT PRIMARY KEY AUTO_INCREMENT, username TEXT NOT NULL, token TEXT NOT NULL, joined_at TIMESTAMP NOT NULL DEFAULT UTC_TIMESTAMP ); CREATE TABLE IF NOT EXISTS user_connections ( id BIGINT PRIMARY KEY AUTO_INCREMENT, user_id BIGINT NOT NULL REFERENCES users(id), user_alias_id TEXT NOT NULL, user_alias_name TEXT NOT NULL, platform TEXT NOT NULL, connected_at TIMESTAMP NOT NULL DEFAULT UTC_TIMESTAMP, UNIQUE (platform, user_id) ); CREATE TABLE IF NOT EXISTS sounds ( id BIGINT PRIMARY KEY AUTO_INCREMENT, code TEXT NOT NULL, uploaded_at TIMESTAMP NOT NULL DEFAULT UTC_TIMESTAMP, uploaded_by BIGINT REFERENCES users(id) );