分级分类统计数量

[xscansou]

分级分类统计数量

[tim_spac]

select category, class, type, level, cnt = count(1)
from thetable
group by category, class, type, level

[水族杰纶]

select col1,col2,count(col3) from tb group by col1,col2

[fa_ge]

...