根据需求日期增加需求并从总库存中减去需求

Question

我需要能够从供应中减去每天的需求，根据每天的需求给出一个数字，见图像

我需要能够说出06/03/14的库存水平是7169（库存） - 减去该日期的需求3157 = 4012

在2014年3月18日，我需要能够增加来自06/03/14的需求＆amp; 2014年3月18日并从库存号码（7169） - （3157 + 2632）= 1380中扣除，以便每个日期我将重新获得的数字加上之前的数字并从库存中减去

最好在报表生成器或sql中执行此操作，下面是我的脚本（需要ALLCOMPREQD并且BINST是我的库存级别，WORDSTAT是我的日期

SELECT dbo.mbf010.wordno,
       dbo.mbf010.partno_wor,
       dbo.mbb010.description AS [WO Description],
       dbo.mbf020.partno_f02com,
       MBB010_1.description   AS [Part Description],
       dbo.mbf020.allcompreqd,
       dbo.mbf010.wordstart,
       dbo.mbc010.binst
FROM   dbo.mbf010
       INNER JOIN dbo.mbf020
               ON dbo.mbf010.account15_wor = dbo.mbf020.account15_f02par
                  AND dbo.mbf010.wordno = dbo.mbf020.wordno_f02par
                  AND dbo.mbf010.wordnosuf = dbo.mbf020.wordnosuf_f02par
                  AND dbo.mbf010.procstage_wor = dbo.mbf020.procstage_f02par
       INNER JOIN dbo.mbb010
               ON dbo.mbf010.partno_wor = dbo.mbb010.partno
                  AND dbo.mbf010.account15_wor = dbo.mbb010.account15
       INNER JOIN dbo.mbb010 AS MBB010_1
               ON dbo.mbf020.account15_f02par = MBB010_1.account15
                  AND dbo.mbf020.partno_f02com = MBB010_1.partno
       INNER JOIN dbo.mbc010
               ON dbo.mbf020.account15_f02par = dbo.mbc010.account15_inv
                  AND dbo.mbf020.partno_f02com = dbo.mbc010.partno_inv
WHERE  ( dbo.mbf020.partno_f02com = '04LEF009' )
       AND ( dbo.mbf020.allcompreqd > 0 )