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多表查询统计新人求相助

热度:52   发布时间:2016-04-24 10:12:51.0
多表查询统计新人求帮助
本帖最后由 qq_18899733 于 2014-08-05 10:10:14 编辑
有表a  主键AID   名称Name      
        1                    a1
        2                   a2 
有表b  主键BID ,    类别TypeID     日期               表a主键AID           表c主键CID                  
         1                  0s            '2005-01-01'                          1                         1      
         2                  1s            '2006-01-01'                          1                         2      
         3                        0s            '2007-01-01'                     2                         3    
         4                   0s            '2007-11-11'                     1                         0       
          
有表c  主键CID , 金额CMoney  
          1                  5000
          2                  2000
          3                  3000
            
有表d       主键DID ,     表b主键BID    金额Money    
                               1            1                50
                               2                    1                50
                               3                 2               100
                               4                       3                            500    
         
         查询显示
         
         表B类别               表B日期               表C金额      有表D金额     有表B(TypeID类别统计个数)
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