公司原來手工處理銷售庫存的人員統計貨品動銷率要好幾天時間，爲方便查詢貨品動銷率，同時系統支持自定義報表，用sql研究了下，可用的sql語法如下
mmf爲貨品檔案表，stock爲庫存表每個貨品貨號matid對應多個倉庫，matoutlist爲出貨明細表，a開頭的編號表示銷售出貨，supplylist爲配貨明細表，已簽發的不在任何庫存中
SELECT T3.NAME,T3.matid,t3.provcode,t3.model,t3.model3,t3.banid,t3.model1,t3.model2,t3.property1,CAST(ISNULL(t3.quoteprice,0) AS varchar) as quote,(t4.STOCKQTY+isnull(T6.stockqty,0)) as STOCKQTY,T3.OUTQTY,
CASE ISNULL((T4.STOCKQTY+isnull(T6.STOCKQTY,0)+T3.outqty),0) WHEN 0 THEN null
ELSE CONVERT(NUMERIC(11,2),CAST(ISNULL(T3.OUTQTY,0) AS FLOAT)/CAST(ISNULL((T4.STOCKQTY+isnull(T6.STOCKQTY,0)+T3.outqty),0) AS FLOAT)) END AS XIAOLV,
(T4.STOCKQTY+isnull(T6.stockqty,0))*T3.quoteprice as stockacc,
t3.outqty*t3.quoteprice as outacc
FROM
(
SELECT T1.NAME,T1.matid,t1.model,t1.model1,t1.model2,t1.property1,T1.quoteprice,t1.provcode,t1.model3,t1.banid,SUM(ISNULL(T2.QTY,0)) AS OUTQTY
FROM MMF as T1
LEFT JOIN MATOUTLIST as T2
ON T1.MATID = T2.MATID and t2.matioid like 'a%'
left join matout as t3 on t2.matioid=t3.matioid and t3.state='已入賬'
GROUP BY T1.NAME,t1.matid,t1.quoteprice,t1.model,t1.model1,t1.model2,t1.property1,t1.provcode,t1.model3,t1.banid
) as T3
INNER JOIN
(
SELECT T1.NAME,T1.matid,t1.model,t1.model1,t1.model2,t1.property1,t1.quoteprice,t1.provcode,t1.model3,t1.banid,SUM(ISNULL(T2.QTY,0)) AS STOCKQTY
FROM MMF as T1
LEFT JOIN STOCK as T2
ON T1.MATID = T2.MATID
GROUP BY T1.NAME,t1.matid,t1.quoteprice,t1.model,t1.model1,t1.model2,t1.property1,t1.provcode,t1.model3,t1.banid
) as T4
ON T3.matid = T4.matid and t3.matid<>'000002' and t3.matid<>'000001' ----不顯示非正常貨品
left JOIN
(
SELECT T1.NAME,T1.matid,t1.model,t1.model1,t1.model2,t1.property1,t1.quoteprice,t1.provcode,t1.model3,t1.banid,SUM(ISNULL(T2.QTY,0)) AS STOCKQTY
FROM MMF as T1
LEFT JOIN supplylist as T2 ON T1.MATID = T2.MATID left join supply as t5
GROUP BY T1.NAME,t1.matid,t1.quoteprice,t1.model,t1.model1,t1.model2,t1.property1,t1.provcode,t1.model3,t1.banid
) as T6
ON T3.matid=t6.matid
order by xiaolv desc