create table t01(col1 number);
inser into t01 vaues(1):
inser into t01 vaues(2):
inser into t01 vaues(3):
inser into t01 vaues(6):
inser into t01 vaues(7):
inser into t01 vaues(9):
inser into t01 vaues(10):
需查询结果：
min max count
------------------------
1 3 3
6 7 2
9 10 2
即统计连号数[@more@]
inser into t01 vaues(1):
inser into t01 vaues(2):
inser into t01 vaues(3):
inser into t01 vaues(6):
inser into t01 vaues(7):
inser into t01 vaues(9):
inser into t01 vaues(10):
需查询结果：
min max count
------------------------
1 3 3
6 7 2
9 10 2
即统计连号数[@more@]
select min(col1), max(col1),count(*)
from (select col1,col1 - row_number() over (order by col1) rn from t01)
group by rn;
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/173675/viewspace-899957/ ，如需转载，请注明出处，否则将追究法律责任。
上一篇：
Worm.Win32.Delf.aj
请登录后发表评论
登录
全部评论
