列出日期内所有月份

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sqlserver: declare  @ begin  datetime,@ end  datetime
set  @ begin = '2012-1-5'
set  @ end = '2012-11-3'

declare  @months  int
set  @months=DATEDIFF( month ,@ begin ,@ end )
select  convert ( varchar (7),DATEADD( month ,number,@ begin ) ,120)  AS  月份
from  master.dbo.spt_values
where  type= 'p'  AND  number<=@monthsoracle: SELECT  TO_CHAR( add_months(to_date( '2011-03' , 'yyyy-mm' ), ROWNUM - 1), 'YYYY-MM'  ) AS  yearmonthFROM DUAL  CONNECT  BY  ROWNUM <= ( SELECT  months_between(to_date( '2012-07' , 'yyyy-mm' ), to_date( '2011-03' , 'yyyy-mm' )) FROM  dual)

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