复杂sql 

 1 //根据人口数量查询
 2 select  * from tb_gdp g , tb_province p   where  g.provinceId=p.id and p.pnum > 10 and p.pnum<200000 and   provinceId=1 
 3 
 4 //计算总利润率
 5 select  * from tb_gdp g , tb_province p   where  g.provinceId=p.id and p.pnum > 10 and p.pnum<200000 and   provinceId=1 
 6 
 7 // 根据计算字段进行范围查询
 8 select  *, (g.agIncome + g.industryIncome - g.agInvest - g.industryInvest)/( g.agInvest + g.industryInvest )*100 as rate  
 9   from tb_gdp g , tb_province p   
10   where  g.provinceId=p.id and p.pnum > 10 and p.pnum<200000 and   provinceId=1 
11         and ((g.agIncome + g.industryIncome - g.agInvest - g.industryInvest)/( g.agInvest + g.industryInvest )*100) > 1 and  ( (g.agIncome + g.industryIncome - g.agInvest - g.industryInvest)/( g.agInvest + g.industryInvest )*100 )< 100
12       
13 //使用子查询的方式 
14  select  * from  ( select  g.*, p.`name` ,p.pnum, (g.agIncome + g.industryIncome - g.agInvest - g.industryInvest)/( g.agInvest + g.industryInvest )*100 as rate  
15      from tb_gdp g , tb_province p   
16       where  g.provinceId=p.id   )  as myview
17 where   pnum > 10 and pnum<200000 and   provinceId=1 
18         and rate > 1 and  rate < 100
19         
20         
21 //根据汇总数据查询明细
22  select  * from  ( select  g.*, p.`name` ,p.pnum, (g.agIncome + g.industryIncome - g.agInvest - g.industryInvest)/( g.agInvest + g.industryInvest )*100 as rate  
23      from tb_gdp g , tb_province p   
24       where  g.provinceId=p.id   )  as myview
25       
26 根据分组做条件查询明细
27  select  * from  ( select  g.*, p.`name` ,p.pnum, (g.agIncome + g.industryIncome - g.agInvest - g.industryInvest)/( g.agInvest + g.industryInvest )*100 as rate  
28      from tb_gdp g , tb_province p   
29       where  g.provinceId=p.id   )  as myview 
30 WHERE provinceId in ( 
31    SELECT g.provinceId from tb_gdp  g GROUP BY g.provinceId HAVING sum(g.agIncome + g.industryIncome)  > 1000 
32 )      
33 
34 
35 //汇总
36 select  sum(pnum),sum(industryIncome),sum(agInvest) sum_ai,  myview.month  from  ( select  g.*, p.`name` ,p.pnum, (g.agIncome + g.industryIncome - g.agInvest - g.industryInvest)/( g.agInvest + g.industryInvest )*100 as rate  
37      from tb_gdp g , tb_province p   
38       where  g.provinceId=p.id   )  as myview
39       
40 WHERE   myview.month >2 and myview.month < 4
41   GROUP BY myview.month 
42 having sum_ai>100 and sum_ai<200000

 

posted @ 2020-05-12 10:47  Tangjt  阅读(172)  评论(0)    收藏  举报