SELECT city_name, title, COUNT(*) FROM tuan_info GROUP BY city_name, title HAVING COUNT(*) >1
mysql 怎么统计同一字段不重复值的数量
select distinct(字段名字) from table2017-03-14
SELECT city_name, title, COUNT(*) FROM tuan_info GROUP BY city_name, title HAVING COUNT(*) >12017-03-14
