Erro HSQL : Unexpected token UNIQUE

java.sql.SQLException: error in script file line: 1 Unexpected token UNIQUE, requires COLLATION in statement [SET DATABASE UNIQUE]

try{
    System.out.println("jdbc:hsqldb:file:G:\\teste\\teste");
    Class.forName("org.hsqldb.jdbcDriver");
    Connection con = DriverManager.getConnection("jdbc:hsqldb:file:G:\\teste\\teste, "sa", "");

    Statement stm= con.createStatement();
    ResultSet rs = stm.executeQuery("SELECT * FROM CAD_PESSOAS");
 
    while(rs.next()){
        String id= rs.getString("id");
        String nome= rs.getString("nome");
        System.out.println(id+" - "+nome);
    }
    stm.execute("SHUTDOWN");
}catch(ClassNotFoundException e){
    System.out.println("Erro ao carregar o driver JDBC. ");
}catch(SQLException e){
    System.out.println("Erro de SQL: "+e);
}