1----查詢活動次數：
1-------------活動次數查詢
select * from
( select province,year,act_num ,act_people
from bdd_tmp_ci order by "year" desc limit 5) as a1
order by act_num desc;
select * from
( select province,year,act_num ,act_people
from bdd_tmp_ci order by "year" desc limit 5) as a1
order by act_people desc;
select province,year,act_num ,act_people
from bdd_tmp_ci order by act_num desc limit 5 ;
select b.`province`,a.`act_num`,a.`province_code`,a.`act_people`,a.`year`
from test1 as a,test_code as b
where a.`province_code`=b.`province_code`;
insert into author (id,username,password,email,bio)
values (#,#,#,#,#)
select * from bdd_tmp_ci where
"year"=(select max(year) as aaa from bdd_tmp_ci)
order by act_people desc limit 5;
select bra_lib_cod,user_num,province as bra_lib from (select bra_lib_cod,sum(user_num) as user_num from bdd_show_luri_usinf bdduse group by bra_lib_cod ) as a
left join procince_code on a.bra_lib_cod=procince_code.province_code
order by user_num desc limit 5;
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