城市歌曲有哪些？意大利流行 · 地中海东线游？

In SQL, why is "select *, count(*) from sentGifts group by whenSent;" ok, but when "*" and "count(*)" is switched position, then it gives an error?

In SQL, using the table: mysql>select * from sentGifts; +--------+------------+--------+------+---------------------+--------+