CREATE TABLE IF NOT EXISTS tickets (
    id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
    category VARCHAR(20) NOT NULL DEFAULT 'Sonstiges',
    betreff VARCHAR(100),
    description TEXT,
    room SMALLINT,
    status VARCHAR(15) NOT NULL DEFAULT 'ToDo',
    date TIMESTAMP WITH TIME ZONE DEFAULT now(),
    user_id SMALLINT DEFAULT 1
);