动态生成日期记录

DECLARE @mindate DATETIME;
DECLARE @maxdate DATETIME;
SET @mindate = DATEADD(MONTH, -11, GETDATE());
SET @maxdate = GETDATE();
WITH    temptab ( date )
          AS ( SELECT   @mindate
               UNION ALL
               SELECT   DATEADD(m, 1, temptab.date) AS date
               FROM     temptab
               WHERE    DATEADD(m, 1, temptab.date) <= @maxdate
             )
    SELECT  *
    FROM    temptab;