年月日统计、数据类型转换

select CONVERT(varchar, year(CreateTime)) +'年'+CONVERT(varchar, month(CreateTime)) + '月'+CONVERT(varchar, day(CreateTime)) +'日', COUNT(1) as total from t_test ul where CreateTime>'2019-05-01'
group by year(CreateTime),month(CreateTime),day(CreateTime) 

结果图：