工种
id job
----------------------
1 job1
2 job2
3 job3
4 job4
5 job5
6 job6
行业
id industry
----------------------
1 ind1
2 ind2
3 ind3
4 ind4
5 ind5
6 ind6
人数统计表personjob
-----------------------------------
personid job industry
p1 1 2
p2 2 1
p3 5 5
p4 1 3
p5 3 4
p6 5 5 求
行业工种人数统计表 job1 job2 job3 job4 job5 job6
-----------------------------------------------------------
ind1 0 1 0 0 0 0ind2 1 0 0 0 0 0 ind3 1 0 0 0 0 0ind4 0 0 1 0 0 0ind5 0 0 0 0 2 0ind6 0 0 0 0 0 0要求行业工种必须全部显示,
不知怎样把字典表中的行变动列，请教!
temp.job1,
temp.job2,
temp.job3,
temp.job4,
temp.job5,
temp.job6
from(id,select decode(job,'job1',id,0) job1
,decode(job,'job1',id,0) job2
,decode(job,'job1',id,0) job3
,decode(job,'job1',id,0) job4
,decode(job,'job1',id,0) job5
,decode(job,'job1',id,0) job6
from 工种
group by id) temp,行业,人数统计表
and 表连接条件