小编Ker*_*tts的帖子

Name         type       Age
-------------------------------
Vijay          1        23
Kumar          2        26
Anand          3        29
Raju           2        23
Babu           1        21
Muthu          3        27
--------------------------------------

编写查询以将每种类型的最大年龄人名更新为"HIGH".

还请告诉我,为什么以下查询无效

update table1 set name='HIGH' having age = max(age) group by type;