CREATE TABLE tasks (
    id INTEGER NOT NULL PRIMARY KEY,
    update_id INTEGER NOT NULL,
    status_id INTEGER NOT NULL,
    title VARCHAR(1024) NOT NULL DEFAULT '',
    FOREIGN KEY(id) REFERENCES topics(id) ON DELETE CASCADE,
    FOREIGN KEY(update_id) REFERENCES updates(id) ON DELETE CASCADE,
    FOREIGN KEY(status_id) REFERENCES task_status(id) ON DELETE CASCADE
);