create table test (fphm number ,start_num number,end_num number )
insert into test values(2013,120,122)
insert into test values(2013,124,125)
insert into test values(2013,125,128)
insert into test values(2013,128,129)
insert into test values(2013,130,131) --再增加2个连续
insert into test values(2013,131,144)
insert into test values(2014,7,12)
commit
select fphm,min(root) start_num,end_num
from
(select fphm,end_num,
connect_by_root start_num root
from test a
where connect_by_isleaf=1
connect by start_Num=prior end_num
and fphm= fphm )
group by fphm,end_num
having count(1)<>1
order by 1
结果
fphm start_num end_num
2013 124 129
2013 130 144
insert into test values(2013,120,122)
insert into test values(2013,124,125)
insert into test values(2013,125,128)
insert into test values(2013,128,129)
insert into test values(2013,130,131) --再增加2个连续
insert into test values(2013,131,144)
insert into test values(2014,7,12)
commit
select fphm,min(root) start_num,end_num
from
(select fphm,end_num,
connect_by_root start_num root
from test a
where connect_by_isleaf=1
connect by start_Num=prior end_num
and fphm= fphm )
group by fphm,end_num
having count(1)<>1
order by 1
结果
fphm start_num end_num
2013 124 129
2013 130 144
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/9066649/viewspace-448351/ ，如需转载，请注明出处，否则将追究法律责任。
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