爵士歌曲排行榜前十名 日本爵士女伶：阅一封玫瑰信笺？

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; +--------+------------+--------+------+---------------------+--------+