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このビューにインデックスを付けたいのですが、サブクエリがあるためインデックスを作成できません。インデックスを作成できるように、このビューを変更する方法を誰でも提案できますか。

ALTER VIEW [dbo].[Recon2]
WITH SCHEMABINDING
AS
SELECT     
dbo.Transactions.CustomerCode, 
dbo.Customer_Master.CustomerName, 
dbo.Transactions.TransDate, 
dbo.Transactions.PubCode, 
dbo.Transactions.TransType, 
dbo.Transactions.Copies, 
SUM(dbo.Transactions.TotalAmount) AS TotalAmount, 
'0' AS ReceiptNo, 
'2008-01-01' AS PaymentDate, 
0 AS Amount, 
dbo.Transactions.Period, 
dbo.Transactions.Year, 
dbo.Publication_Master.PubName, 
dbo.Customer_Master.SalesCode,
COUNT_BIG(*) AS COUNT
FROM         
dbo.Publication_Master INNER JOIN
dbo.Customer_Master INNER JOIN
dbo.Transactions ON dbo.Customer_Master.CustomerCode = dbo.Transactions.CustomerCode ON 
dbo.Publication_Master.PubCode = dbo.Transactions.PubCode
WHERE     
(dbo.Customer_Master.CustomerCode NOT IN
(SELECT     CustomerCode
 FROM       dbo.StreetSaleRcpt
 WHERE      (PubCode = dbo.Transactions.PubCode) AND 
            (TransactionDate = dbo.Transactions.TransDate) AND 
            (Updated = 1) AND 
            (PeriodMonth = dbo.Transactions.Period) AND 
            (PeriodYear = dbo.Transactions.Year)))
GROUP BY dbo.Transactions.CustomerCode, dbo.Customer_Master.CustomerName, dbo.Transactions.TransDate, dbo.Transactions.PubCode, 
                      dbo.Publication_Master.PubName, dbo.Customer_Master.SalesCode, dbo.Transactions.[Update], dbo.Transactions.TransType, 
                      dbo.Transactions.Copies, dbo.Transactions.Period, dbo.Transactions.Year, dbo.Transactions.TotalAmount
4

3 に答える 3

3

(明らかに) 実行できませんが、これはどうですか?:

SELECT
dbo.Transactions.CustomerCode, 
dbo.Customer_Master.CustomerName, 
dbo.Transactions.TransDate, 
dbo.Transactions.PubCode, 
dbo.Transactions.TransType, 
dbo.Transactions.Copies, 
'0' AS ReceiptNo, 
'2008-01-01' AS PaymentDate, 
0 AS Amount, 
dbo.Transactions.Period, 
dbo.Transactions.Year, 
dbo.Publication_Master.PubName, 
dbo.Customer_Master.SalesCode, 
dbo.StreetSaleRcpt.CustomerCode,
SUM(dbo.Transactions.TotalAmount) AS TotalAmount, 
COUNT_BIG(*) AS COUNT 
FROM dbo.Publication_Master 
INNER JOIN dbo.Customer_Master ON dbo.Customer_Master.CustomerCode = dbo.Transactions.CustomerCode 
INNER JOIN dbo.Transactions ON dbo.Publication_Master.PubCode = dbo.Transactions.PubCode 
LEFT OUTER JOIN dbo.StreetSaleRcpt ON (
    dbo.StreetSaleRcpt.PubCode = dbo.Transactions.PubCode 
    AND dbo.StreetSaleRcpt.TransactionDate = dbo.Transactions.TransDate
    AND dbo.StreetSaleRcpt.PeriodMonth = dbo.Transactions.Period
    AND dbo.StreetSaleRcpt.PeriodYear = dbo.Transactions.Year
    AND dbo.StreetSaleRcpt.Updated = 1
    AND dbo.StreetSaleRcpt.CustomerCode = dbo.Customer_Master.CustomerCode
)
WHERE dbo.StreetSaleRcpt.CustomerCode IS NULL
GROUP BY 
dbo.Transactions.CustomerCode, 
dbo.Customer_Master.CustomerName, 
dbo.Transactions.TransDate, 
dbo.Transactions.PubCode, 
dbo.Publication_Master.PubName, 
dbo.Customer_Master.SalesCode, 
dbo.Transactions.[Update], 
dbo.Transactions.TransType, 
dbo.Transactions.Copies, 
dbo.Transactions.Period, 
dbo.Transactions.Year, 
dbo.Transactions.TotalAmount,
dbo.StreetSaleRcpt.CustomerCode

相関サブクエリを左結合にして、その不在 (「WHERE dbo.StreetSaleRcpt.CustomerCode IS NULL」) と「NOT IN」をテストします。

幸運を。

于 2008-09-24T22:12:28.400 に答える
0

このフォームでは、Publication_Master 行ごとに StreetSaleRcpt のインデックスを使用できます。

ALTER VIEW [dbo].[Recon2] WITH SCHEMABINDING AS SELECT
dbo.Transactions.CustomerCode, dbo.Customer_Master.CustomerName, dbo.Transactions.TransDate, dbo.Transactions.PubCode, dbo.Transactions.TransType, dbo.Transactions.Copies, SUM(dbo.Transactions.TotalAmount) AS TotalAmount, '0' AS ReceiptNo, '2008-01-01' AS PaymentDate, 0 AS Amount, dbo.Transactions.Period, dbo.Transactions.Year, dbo.Publication_Master.PubName, dbo.Customer_Master.SalesCode, COUNT_BIG(*) AS COUNT
FROM dbo.Publication_Master 
INNER JOIN dbo.Customer_Master 
INNER JOIN dbo.Transactions ON dbo.Customer_Master.CustomerCode = dbo.Transactions.CustomerCode ON dbo.Publication_Master.PubCode = dbo.Transactions.PubCode 
WHERE
(NOT EXISTS 
   (SELECT NULL FROM dbo.StreetSaleRcpt 
   WHERE (PubCode = dbo.Transactions.PubCode) 
   AND (TransactionDate = dbo.Transactions.TransDate) 
   AND (Updated = 1)
   AND (PeriodMonth = dbo.Transactions.Period) 
   AND (PeriodYear = dbo.Transactions.Year)
   ANMD (CustomerCode = dbo.Customer_Master.CustomerCode)
   )
) GROUP BY dbo.Transactions.CustomerCode, dbo.Customer_Master.CustomerName, dbo.Transactions.TransDate, dbo.Transactions.PubCode, dbo.Publication_Master.PubName, dbo.Customer_Master.SalesCode, dbo.Transactions.[Update], dbo.Transactions.TransType, dbo.Transactions.Copies, dbo.Transactions.Period, dbo.Transactions.Year, dbo.Transactions.TotalAmount
于 2008-09-25T11:30:41.150 に答える
0

少なくとも Oracle では、VIEW から MATERIALIZED VIEW に変更できます。テーブルスペースや同期方法など、他にも考慮すべき問題がいくつかありますが、検討する価値があるかもしれません。

アプリケーションによっては、このビューの選択に基づいて通常のテーブルを作成し、許容できる間隔で更新するか、多くの外部キーを使用するという別のオプションがあります。

最も実用的なものは、テーブルのサイズ、更新の頻度、最新のデータの必要性など、さまざまな要因によって異なります。

于 2008-09-24T22:22:57.533 に答える