SQL Server 2012의 쿼리 성능 향상

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SQL Server의 기존보기에서 작업하고 있습니다. 내 사용자가 성능이 너무 느리다 고보고했습니다. 어떤 사람은/제가 쿼리의 성능을 향상시킬 수있는 방법을 알아보기 주시기 바랍니다 수SQL Server 2012의 쿼리 성능 향상

검색어 :

Select FH.ForecastID 
,FH.FiscalYear 
,FH.FiscalMonth 
,FH.ForecastStatusCode 
,FH.ForecastStatusDescription 
,WF.SubTypeID 
,WF.CustomerCode 
,WF.ProductID 
,WF.EndCustomerName 
,CU.RELShortName [Master Customer 1] 
,CASE WHEN (WF.EndCustomerName <> '') THEN CASE WHEN (CST.[Shortname] IS NULL) THEN   CU.ShortName ELSE CST.[Shortname] END ELSE CU.ShortName END AS CustomerShortName 
,CASE WHEN (WF.EndCustomerName <> '') THEN CASE WHEN (CST.[Shortname] IS NULL) THEN CASE WHEN (CU.[CUSTOMER_CATEGORY] = 'ASU') THEN 'AU' ELSE 'GP' END ELSE CASE WHEN (CST.[CUSTOMER_CATEGORY] = 'ASU') THEN 'AU' ELSE 'GP' END END ELSE CASE WHEN (CU.[CUSTOMER_CATEGORY] = 'ASU') THEN 'AU' ELSE 'GP' END END AS CustomerCategory 
    , '' as CustomerShortName  
,WF.EndCustomerName as [Disti End Customer] 
,CU.CustomerName [Sold To Customer Name] 
,WF.CustomerCode [Customer Sold To Number] 
,CU.CustomerClass 
,CASE WHEN (CU.CustomerClass <> 'Distributor') THEN CU.TerritoryCode ELSE WF.[Sales Office] END AS [Sales Office] 
,FH.REA_Onshore [Off Shore On Shore] 
,PR.ProductFamilyName [OSC Product Family(1)] 
,PR.ProductClassName [OSC Product Family(2)] 
,PR.ProductPartNumber 
,FH.ForecastTypeID 
,FH.ForecastTypeCode 
,FH.ForecastTypeDescription as ForecastTypeDescription 
,WF.SubType 
, ISNULL(WF.CreatedDate , '') CreatedDate 
, ISNULL(WF.ModifiedDate, '') ModifiedDate 
,WF.ModifiedBy 
,IsNull([MON-3], '0') [MON-3] 
,IsNull([MON-2], '0') [MON-2] 
,IsNull([MON-1], '0') [MON-1] 
,IsNull([MON00], '0') [MON00] 
,IsNull([MON01], '0') [MON01] 
,IsNull([MON02], '0') [MON02] 
,IsNull([MON03], '0') [MON03] 
,IsNull([MON04], '0') [MON04] 
,IsNull([MON05], '0') [MON05] 
,IsNull([MON06], '0') [MON06] 
,IsNull([MON07], '0') [MON07] 
,IsNull([MON08], '0') [MON08] 
,IsNull([MON09], '0') [MON09] 
,IsNull([MON10], '0') [MON10] 
,IsNull([MON11], '0') [MON11] 
,IsNull([MON12], '0') [MON12] 
,IsNull([MON13], '0') [MON13] 
,IsNull([MON14], '0') [MON14] 
from TRX_ForecastDetailFlattened WF 
left Join (
SELECT ForecastID, FiscalYear, FiscalMonth, ForecastStatusCode, ForecastStatusDescription, FH.ForecastStatusID, REA_Onshore, FH.ForecastTypeID, FT.ForecastTypeCode, FT.ForecastTypeDescription 
FROM PRF_ForecastHeader FH 
inner Join LKP_ForecastStatus FS with (nolock) on FS.ForecastStatusID = FH.ForecastStatusID 
inner Join LKP_ForecastType FT with (nolock) on FT.ForecastTypeID = FH.ForecastTypeID ) FH 
on WF.ForecastID = FH.ForecastID 

left Join (
select RELShortName, [ACTUAL_END_CUSTOMER_NAME],CustomerName, CustomerClass, TerritoryCode,CU.CustomerCode, ShortName ,[CUSTOMER_CATEGORY] 
FROM LKP_Customer CU 
left join (SELECT distinct [ACTUAL_END_CUSTOMER_NAME],[Shortname], [CUSTOMER_CATEGORY] FROM [REA_DS].[dbo].[LCUS_CUSTOMER_SHORTNAME]) CSTM on CSTM.[ACTUAL_END_CUSTOMER_NAME] COLLATE Latin1_General_CI_AI = CU.[RELShortName] COLLATE Latin1_General_CI_AI 
left Join PRF_Territory TE with (nolock) on TE.TerritoryID = CU.TerritoryID 
left Join LKP_TerritoryGroup TG with (nolock) on TG.TerritoryGroupID = TE.TerritoryGroupID and TG.TerritoryGroupName = 'SALES REP COMPANY') CU 
on CU.CustomerCode = WF.CustomerCode 

left Join (
select ProductID, ProductPartNumber, ProductFamilyName, ProductClassName 
FROM LKP_Product PR with (nolock) 
left Join LKP_ProductClass PC with (nolock) on PR.ProductClassID = PC.ProductClassID 
left Join LKP_ProductFamily PF with (nolock) on PF.ProductFamilyID = PR.ProductFamilyID ) PR 
    on PR.ProductID = WF.ProductID 

left join (SELECT distinct [ACTUAL_END_CUSTOMER_NAME],[Shortname],[CUSTOMER_CATEGORY] FROM [REA_DS].[dbo].[LCUS_CUSTOMER_SHORTNAME]) CST 
    on WF.EndCustomerName COLLATE Latin1_General_CI_AI = CST.[ACTUAL_END_CUSTOMER_NAME] COLLATE Latin1_General_CI_AI 

Where CU.RELShortName <> '' and wf.CustomerCode <> '100000' 
group by FH.ForecastID ,FH.FiscalYear ,FH.FiscalMonth ,FH.ForecastStatusCode ,FH.ForecastStatusDescription ,WF.SubTypeID ,WF.CustomerCode ,WF.ProductID 
,WF.EndCustomerName ,CU.RELShortName ,WF.EndCustomerName ,CU.CustomerName ,WF.CustomerCode ,CU.CustomerClass ,FH.REA_Onshore ,PR.ProductFamilyName 
,PR.ProductClassName ,PR.ProductPartNumber ,FH.ForecastTypeID ,FH.ForecastTypeCode ,FH.ForecastTypeDescription ,WF.SubType ,WF.ModifiedBy 
,CST.[Shortname] ,CU.ShortName ,CST.[CUSTOMER_CATEGORY] ,CU.[CUSTOMER_CATEGORY] ,CU.TerritoryCode ,WF.[Sales Office] ,WF.CreatedDate ,WF.ModifiedDate 
, [MON-3], [MON-2], [MON-1], [MON00], [MON01], [MON02], [MON03], [MON04],[MON05], [MON06], [MON07], [MON08], [MON09], [MON10], [MON11], [MON12], [MON13], [MON14]

스크린 샷 : enter image description here

출처

2014-12-19 Sandeep Pulikonda

방법은 SQL을 보여 어때? ?? –

옵티마이 저가 인덱스를 생성하라고 말하고 있습니다 ... –

왜 투표를 많이했는지 모르겠지만 @TMcKeown에 나와 있듯이 옵티마이 저는 실제로 인덱스를 작성하라고 알려줍니다. 그 일이 어디서 진행되는지 확인하십시오. 현재의 질의 계획에서 볼 때, 대부분의 작업 *이 단지 몇 부분에서만 쓰이고있는 것처럼 보입니다. 그것들과 당신의 쿼리 성능에 초점이 맞춰질 것입니다. 또한 기본 테이블의 통계가 최신인지 확인하십시오. 각 테이블마다 UPDATE STATISTICS

을 사용하지 않으려면 sp_updatestats를 실행하고 데이터베이스의 모든 테이블을 새로 고칩니다. 마음 : 많은 (움직이는) 데이터를 가지고 있다면 이것은 시간이 걸릴 수 있습니다! – deroby

답변

--one of the way to increase performance is the usage of the temp tables instead subqueries 
------------------------------------------------------------------------------------- 
IF OBJECT_ID('Tempdb..#FH') IS NOT NULL 
    DROP TABLE #FH 
SELECT ForecastID , 
     FiscalYear , 
     FiscalMonth , 
     ForecastStatusCode , 
     ForecastStatusDescription , 
     FH.ForecastStatusID , 
     REA_Onshore , 
     FH.ForecastTypeID , 
     FT.ForecastTypeCode , 
     FT.ForecastTypeDescription 
INTO #FH 
FROM PRF_ForecastHeader FH 
     INNER JOIN LKP_ForecastStatus FS WITH (NOLOCK) ON FS.ForecastStatusID = FH.ForecastStatusID 
     INNER JOIN LKP_ForecastType FT WITH (NOLOCK) ON FT.ForecastTypeID = FH.ForecastTypeID 
     INNER JOIN (SELECT DISTINCT 
          ForecastID 
        FROM TRX_ForecastDetailFlattened 
        ) WF ON WF.ForecastID = FH.ForecastID 
------------------------------------------------------------------------------------- 
IF OBJECT_ID('Tempdb..#CU') IS NOT NULL 
    DROP TABLE #CU 
SELECT RELShortName , 
     [ACTUAL_END_CUSTOMER_NAME] , 
     CustomerName , 
     CustomerClass , 
     TerritoryCode , 
     CU.CustomerCode , 
     ShortName , 
     [CUSTOMER_CATEGORY] 
INTO #CU 
FROM LKP_Customer CU 
     INNER JOIN (SELECT DISTINCT 
          CustomerCode 
        FROM TRX_ForecastDetailFlattened 
        ) WF ON CU.CustomerCode = WF.CustomerCode 
     LEFT JOIN (SELECT DISTINCT 
          [ACTUAL_END_CUSTOMER_NAME] , 
          [Shortname] , 
          [CUSTOMER_CATEGORY] 
        FROM [REA_DS].[dbo].[LCUS_CUSTOMER_SHORTNAME] 
       ) CSTM ON CSTM.[ACTUAL_END_CUSTOMER_NAME] COLLATE Latin1_General_CI_AI = CU.[RELShortName] COLLATE Latin1_General_CI_AI 
     LEFT JOIN PRF_Territory TE WITH (NOLOCK) ON TE.TerritoryID = CU.TerritoryID 
     LEFT JOIN LKP_TerritoryGroup TG WITH (NOLOCK) ON TG.TerritoryGroupID = TE.TerritoryGroupID 
                  AND TG.TerritoryGroupName = 'SALES REP COMPANY' 
------------------------------------------------------------------------------------- 
IF OBJECT_ID('Tempdb..#PR') IS NOT NULL 
    DROP TABLE #PR   
SELECT ProductID , 
     ProductPartNumber , 
     ProductFamilyName , 
     ProductClassName 
INTO #PR 
FROM LKP_Product PR WITH (NOLOCK) 
     INNER JOIN (SELECT DISTINCT 
          ProductID 
        FROM TRX_ForecastDetailFlattened 
        ) ON PR.ProductID = WF.ProductID 
     LEFT JOIN LKP_ProductClass PC WITH (NOLOCK) ON PR.ProductClassID = PC.ProductClassID 
     LEFT JOIN LKP_ProductFamily PF WITH (NOLOCK) ON PF.ProductFamilyID = PR.ProductFamilyID 
-------------------------------------------------------------------------------------     

SELECT FH.ForecastID , 
     FH.FiscalYear , 
     FH.FiscalMonth , 
     FH.ForecastStatusCode , 
     FH.ForecastStatusDescription , 
     WF.SubTypeID , 
     WF.CustomerCode , 
     WF.ProductID , 
     WF.EndCustomerName , 
     CU.RELShortName [Master Customer 1] , 
     CASE WHEN (WF.EndCustomerName <> '') 
      THEN CASE WHEN (CST.[Shortname] IS NULL) THEN CU.ShortName 
         ELSE CST.[Shortname] 
        END 
      ELSE CU.ShortName 
     END AS CustomerShortName , 
     CASE WHEN (WF.EndCustomerName <> '') 
      THEN CASE WHEN (CST.[Shortname] IS NULL) 
         THEN CASE WHEN (CU.[CUSTOMER_CATEGORY] = 'ASU') 
           THEN 'AU' 
           ELSE 'GP' 
          END 
         ELSE CASE WHEN (CST.[CUSTOMER_CATEGORY] = 'ASU') 
           THEN 'AU' 
           ELSE 'GP' 
          END 
        END 
      ELSE CASE WHEN (CU.[CUSTOMER_CATEGORY] = 'ASU') THEN 'AU' 
         ELSE 'GP' 
        END 
     END AS CustomerCategory , 
     '' AS CustomerShortName , 
     WF.EndCustomerName AS [Disti End Customer] , 
     CU.CustomerName [Sold To Customer Name] , 
     WF.CustomerCode [Customer Sold To Number] , 
     CU.CustomerClass , 
     CASE WHEN (CU.CustomerClass <> 'Distributor') THEN CU.TerritoryCode 
      ELSE WF.[Sales Office] 
     END AS [Sales Office] , 
     FH.REA_Onshore [Off Shore On Shore] , 
     PR.ProductFamilyName [OSC Product Family(1)] , 
     PR.ProductClassName [OSC Product Family(2)] , 
     PR.ProductPartNumber , 
     FH.ForecastTypeID , 
     FH.ForecastTypeCode , 
     FH.ForecastTypeDescription AS ForecastTypeDescription , 
     WF.SubType , 
     ISNULL(WF.CreatedDate, '') CreatedDate , 
     ISNULL(WF.ModifiedDate, '') ModifiedDate , 
     WF.ModifiedBy , 
     ISNULL([MON-3], '0') [MON-3] , 
     ISNULL([MON-2], '0') [MON-2] , 
     ISNULL([MON-1], '0') [MON-1] , 
     ISNULL([MON00], '0') [MON00] , 
     ISNULL([MON01], '0') [MON01] , 
     ISNULL([MON02], '0') [MON02] , 
     ISNULL([MON03], '0') [MON03] , 
     ISNULL([MON04], '0') [MON04] , 
     ISNULL([MON05], '0') [MON05] , 
     ISNULL([MON06], '0') [MON06] , 
     ISNULL([MON07], '0') [MON07] , 
     ISNULL([MON08], '0') [MON08] , 
     ISNULL([MON09], '0') [MON09] , 
     ISNULL([MON10], '0') [MON10] , 
     ISNULL([MON11], '0') [MON11] , 
     ISNULL([MON12], '0') [MON12] , 
     ISNULL([MON13], '0') [MON13] , 
     ISNULL([MON14], '0') [MON14] 
FROM TRX_ForecastDetailFlattened WF 
     LEFT JOIN #FH AS FH ON WF.ForecastID = FH.ForecastID 
     LEFT JOIN #CU AS CU ON CU.CustomerCode = WF.CustomerCode 
     LEFT JOIN #PR AS PR ON PR.ProductID = WF.ProductID 
     LEFT JOIN (SELECT DISTINCT 
          [ACTUAL_END_CUSTOMER_NAME] , 
          [Shortname] , 
          [CUSTOMER_CATEGORY] 
        FROM [REA_DS].[dbo].[LCUS_CUSTOMER_SHORTNAME] 
       ) CST ON WF.EndCustomerName COLLATE Latin1_General_CI_AI = CST.[ACTUAL_END_CUSTOMER_NAME] COLLATE Latin1_General_CI_AI 
WHERE CU.RELShortName <> '' 
     AND wf.CustomerCode <> '100000' 
GROUP BY FH.ForecastID , 
     FH.FiscalYear , 
     FH.FiscalMonth , 
     FH.ForecastStatusCode , 
     FH.ForecastStatusDescription , 
     WF.SubTypeID , 
     WF.CustomerCode , 
     WF.ProductID , 
     WF.EndCustomerName , 
     CU.RELShortName , 
     WF.EndCustomerName , 
     CU.CustomerName , 
     WF.CustomerCode , 
     CU.CustomerClass , 
     FH.REA_Onshore , 
     PR.ProductFamilyName , 
     PR.ProductClassName , 
     PR.ProductPartNumber , 
     FH.ForecastTypeID , 
     FH.ForecastTypeCode , 
     FH.ForecastTypeDescription , 
     WF.SubType , 
     WF.ModifiedBy , 
     CST.[Shortname] , 
     CU.ShortName , 
     CST.[CUSTOMER_CATEGORY] , 
     CU.[CUSTOMER_CATEGORY] , 
     CU.TerritoryCode , 
     WF.[Sales Office] , 
     WF.CreatedDate , 
     WF.ModifiedDate

출처

2014-12-20 04:14:39 Vasily

SQL Server 2012의 쿼리 성능 향상

답변

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