一个sql语句，包含有几乎所有标准查询语法

W_KMR01_11 ---- KMM13BR COPYWRITE BY LD 2000/09/07 15:30 

  SELECT DISTINCT SUBSTRING( KMM102.KMM102_BGT_TYPE,1,4 ) AS BGT_TYPE,   
         ( CASE SUBSTRING( KMM102.KMM102_BGT_TYPE,3,2 ) WHEN "09" THEN "1" WHEN "10" THEN "2" 
                                                        WHEN "11" THEN "3" ELSE "9" END ) AS BGT_CLASS,   
         SUBSTRING( KMM102.KMM102_BGT_TYPE,1,2 ) AS BGT_TEAM,   

         ( ISNULL( (SELECT SUBSTRING(KMC101.KMC101_NAME,CHARINDEX("-",KMC101.KMC101_NAME)+1,12) FROM KMC101  
                     WHERE ( KMC101.KMC101_TYPE = "BUDGETCODE" ) 
                       AND ( KMC101.KMC101_CODE = SUBSTRING( KMM102.KMM102_BGT_TYPE,1,4 ) + "00" ) ),"" ) ) AS BGT_NAME,   

         SUM( ISNULL( KMM101.KMM101_BGT_JAN,0 ) ) AS BGT_AMT01,   
         SUM( ISNULL( KMM101.KMM101_BGT_FEB,0 ) ) AS BGT_AMT02,   
         SUM( ISNULL( KMM101.KMM101_BGT_MAR,0 ) ) AS BGT_AMT03,   
         SUM( ISNULL( KMM101.KMM101_BGT_APR,0 ) ) AS BGT_AMT04,   
         SUM( ISNULL( KMM101.KMM101_BGT_MAY,0 ) ) AS BGT_AMT05,   
         SUM( ISNULL( KMM101.KMM101_BGT_JUN,0 ) ) AS BGT_AMT06,   
         SUM( ISNULL( KMM101.KMM101_BGT_JUL,0 ) ) AS BGT_AMT07,   
         SUM( ISNULL( KMM101.KMM101_BGT_AUG,0 ) ) AS BGT_AMT08,   
         SUM( ISNULL( KMM101.KMM101_BGT_SEP,0 ) ) AS BGT_AMT09,   
         SUM( ISNULL( KMM101.KMM101_BGT_OCT,0 ) ) AS BGT_AMT10,   
         SUM( ISNULL( KMM101.KMM101_BGT_NOV,0 ) ) AS BGT_AMT11,   
         SUM( ISNULL( KMM101.KMM101_BGT_DEC,0 ) ) AS BGT_AMT12,

         ( SUM( ISNULL( KMM101.KMM101_BGT_JAN,0 ) ) + SUM( ISNULL( KMM101.KMM101_BGT_FEB,0 ) ) + 
           SUM( ISNULL( KMM101.KMM101_BGT_MAR,0 ) ) + SUM( ISNULL( KMM101.KMM101_BGT_APR,0 ) ) + 
           SUM( ISNULL( KMM101.KMM101_BGT_MAY,0 ) ) + SUM( ISNULL( KMM101.KMM101_BGT_JUN,0 ) ) + 
           SUM( ISNULL( KMM101.KMM101_BGT_JUL,0 ) ) + SUM( ISNULL( KMM101.KMM101_BGT_AUG,0 ) ) + 
           SUM( ISNULL( KMM101.KMM101_BGT_SEP,0 ) ) + SUM( ISNULL( KMM101.KMM101_BGT_OCT,0 ) ) + 
           SUM( ISNULL( KMM101.KMM101_BGT_NOV,0 ) ) + SUM( ISNULL( KMM101.KMM101_BGT_DEC,0 ) ) ) AS AMT01,