group by having信息详情
分组方式：
group by───分组依据；群组依据；[计][WIN]分组依据
having───v.有，拥有（have的现在分词）
by a group───一组人
having supper───吃晚餐，吃晚饭
having picnic───野餐
having sex───性交
having on───穿着；戴着；有事在手头上；使上钩
having dinner───吃晚饭
having fun───玩乐
One international currency smuggler who was having trouble getting money out of Britain was offered help by a group of men who said they were in a position to "fix thing"— for a fee of course.───一个国际货币走私犯很难从英国弄到钱，得到一群人的帮助，他们说他们可以“解决问题”——当然要收费。
Insurance Institute for Highway safety, a car-safety research group funded by insurers, announced its highest-rated cars and SUVs for 2010, having added a rollover roof-strength test this year.───由保险公司提供资金的安全研究小组“公路安全保险协会”(Insurance Institute for Highway Safety)公布了2010年评级最高的轿车和越野车，今年还增加了一项翻车时车顶强度试验。
can also start a public group with invitation-only access, allowing you to control membership by having users request to join.───也可以发起一个只有受邀请的用户才能加入的公共组，这样可以通过让用户请求加入来控制成员资格。
For information on GROUP BY, HAVING, and ORDER BY clauses, see Summarizing, Grouping, and Sorting Query Results.───有关GROUPBY、HAVING和ORDERBY子句的信息，请参见对查询结果进行汇总、分组和排序。
The columns being modified are not affected by GROUP BY, HAVING, or DISTINCT clauses.───被修改的列不受GROUPBY、HAVING或DISTINCT子句的影响。