我有一个查询如下，大约需要10分钟来运行，我必须优化。我试了一下，但我无法提高它的性能。任何帮助都非常感谢
SELECT ISNULL(OX.intStore, DX.intStore) AS sStore
, OX.dtmCreatedDate
, ISNULL(OX.strBarcode, ISNULL(DX.strClientText, DX.FirstBarCode)) AS sBarcode
, ISNULL(OX.strAreaName, DX.strAreaName) AS sArea
, ISNULL(OX.strDesc, 'N/F') AS sDesc
, ISNULL(OX.czBrand, 'N/F') AS sBrand
, ISNULL(OX.decCost, 0) AS nCost
, ISNULL(DX.SumQty, 0) AS nHT_Unit
, ISNULL(OX.fltQty, 0) AS nOH_Unit
, (ISNULL(DX.SumQty, 0) * ISNULL(OX.decCost, 0)) AS nEXTCost
, (ISNULL(OX.fltQty, 0) * ISNULL(OX.decCost, 0)) AS nOH_EXTCost
, (ISNULL(DX.SumQty, 0) - ISNULL(OX.fltQty, 0)) AS nVarUnit
, (ISNULL(DX.SumQty, 0) - ISNULL(OX.fltQty, 0)) * ISNULL(OX.decCost, 0) AS nVarCost
FROM
(
SELECT DISTINCT OH.intStore
, OH.strBarcode
, SA.intAreaGrp
, OH.strDesc
, OH.czBrand
, OH.decCost
, AG.strAreaName
, OH.fltQty
, OH.dtmCreatedDate
FROM tblOnHand AS OH
LEFT JOIN dbo.tblStickerAreas AS SA ON (OH.intArea = SA.intAreaNo)
LEFT JOIN dbo.tblAreaGrp AS AG ON (SA.intAreaGrp = AG.intAreaGrp)
) AS OX
FULL OUTER JOIN
(
SELECT DT.intStore
, DT.strClientText
, SA.intAreaGrp
, AG.strAreaName
, SUM(DT.fltQty) SumQty
, MIN(DT.strBarCode) FirstBarCode
FROM dbo.tblDetail AS DT
JOIN dbo.tblSticker AS SK ON (DT.intStore = SK.intStore
AND DT.intStickerNo = SK.intStickerNo
AND DT.dtmstickerdate = SK.dtmstickerdate
AND SK.strrescansw = 'N')
LEFT JOIN dbo.tblStickerAreas AS SA ON (SK.intAreaNo = SA.intAreaNo)
LEFT JOIN dbo.tblAreaGrp AS AG ON (SA.intAreaGrp = AG.intAreaGrp)
--WHERE strrescansw = 'N'
GROUP BY
DT.intStore
, DT.strClientText
, SA.intAreaGrp
, AG.strAreaName
) AS DX ON OX.intStore = DX.intStore AND OX.strBarcode = DX.strClientText
表和索引是
CREATE TABLE [dbo].[tblAreaGrp](
[intAreaGrp] [int] NULL,
[strAreaName] [char](20) NULL,
[ID] [int] IDENTITY(1,1) NOT FOR REPLICATION NOT NULL,
CONSTRAINT [PK_tblAreaGrp] PRIMARY KEY CLUSTERED
(
[ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblDetail](
[intStore] [int] NOT NULL,
[intStickerNo] [int] NOT NULL,
[dtmStickerDate] [datetime] NOT NULL,
[intLineNum] [smallint] NOT NULL,
[strBarcode] [char](14) NULL,
[intBarcodeLength] [tinyint] NULL,
[intBarcodeType] [tinyint] NULL,
[strBarcodeEntrySW] [char](1) NULL,
[strBarcodeSW] [char](1) NULL,
[fltQty] [float] NULL,
[fltPrice] [decimal](19, 4) NULL,
[strPriceSW] [char](1) NULL,
[strQtySW] [char](1) NULL,
[strAddSW] [char](1) NULL,
[strDeleteSW] [char](1) NULL,
[strPTCCode1] [char](1) NULL,
[strPTCCode2] [char](1) NULL,
[strPTCCode3] [char](1) NULL,
[strPTCCode4] [char](1) NULL,
[strPTCCode5] [char](1) NULL,
[strInternalUseOnly] [char](1) NULL,
[strMiscText] [varchar](50) NULL,
[strClientText] [varchar](50) NULL,
[strSKU] [char](14) NULL,
[intSKULength] [tinyint] NULL,
[intSKUType] [tinyint] NULL,
[fltOldQty] [float] NULL,
[blnVerifyNOF] [bit] NULL,
[blnVerifyTS] [bit] NULL,
[blnNOF] [bit] NULL,
[EnteredValue] [varchar](30) NULL,
[AcceptedValue] [varchar](30) NULL,
[MasterFileValue] [varchar](30) NULL,
[QuantityEntered] [int] NULL,
[intSku] [int] NULL,
[intUpc] [bigint] NULL,
[Description] [varchar](50) NULL,
[SerialNumber] [varchar](30) NULL,
[MFQuantity] [varchar](10) NULL,
[InvoiceFlag] [varchar](10) NULL,
[CancelFlag] [varchar](10) NULL,
CONSTRAINT [PK_tblDetail] PRIMARY KEY NONCLUSTERED
(
[intStore] ASC,
[intStickerNo] ASC,
[dtmStickerDate] ASC,
[intLineNum] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblOnHand](
[ID] [int] IDENTITY(1,1) NOT NULL,
[intStore] [int] NULL,
[intArea] [int] NOT NULL,
[strBarcode] [varchar](25) NOT NULL,
[strDesc] [varchar](25) NOT NULL,
[fltQty] [float] NOT NULL,
[decCost] [decimal](19, 4) NOT NULL,
[czLocation] [varchar](100) NULL,
[czLocCode] [varchar](100) NULL,
[czPartNum] [varchar](100) NULL,
[czPartDesc] [varchar](200) NULL,
[czBrand] [varchar](200) NULL,
[czCategory] [varchar](200) NULL,
[czSEB] [varchar](200) NULL,
[czLastRec] [varchar](100) NULL,
[czWAC] [varchar](100) NULL,
[czExtWAC] [varchar](100) NULL,
[dtmCreatedDate] [datetime] NOT NULL,
PRIMARY KEY CLUSTERED
(
[ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblSticker](
[intStore] [int] NOT NULL,
[intStickerNo] [int] NOT NULL,
[dtmStickerDate] [datetime] NOT NULL,
[strRescanSW] [char](1) NOT NULL,
[intCorrectionID] [int] NULL,
[intSessionNo] [int] NULL,
[strCorrectionStatus] [char](1) NULL,
[strEmptyStatus] [char](1) NULL,
[intLastLineNo] [smallint] NULL,
[fltTotalUnits] [float] NULL,
[fltTotalValue] [decimal](19, 4) NULL,
[strDeductionSW] [char](1) NULL,
[intDeviceNo] [int] NULL,
[intAreaNo] [int] NULL,
[dtmAreaStartDate] [datetime] NULL,
[dtmTeamStartDate] [datetime] NULL,
[dtmTeamPrintedDate] [datetime] NULL,
[strTeamNo] [char](9) NULL,
[strSessionNo] [char](3) NULL,
[strTeamTrainingSW] [char](1) NULL,
[dtmFixtureStartDate] [datetime] NULL,
[dtmFixtureEndDate] [datetime] NULL,
[strFixtureEcsCode] [char](1) NULL,
[strHHRecordTypeSW] [char](1) NULL,
[strFixtureTrainingSW] [char](1) NULL,
[strEmptyFixtureSW] [char](1) NULL,
[strCorrectionStatus2] [char](1) NULL,
[strMiscText] [varchar](50) NULL,
[strClientMisc1] [char](1) NULL,
[strClientMisc2] [char](1) NULL,
[intClientMisc1] [int] NULL,
[intClientMisc2] [int] NULL,
[fltClientMisc1] [float] NULL,
[fltClientMisc2] [float] NULL,
[strClientText] [varchar](50) NULL,
[blnPieceCount] [bit] NULL,
[bitOverrideMode] [bit] NULL,
[blnAuditMode] [bit] NULL,
[AutoPrint] [bit] NOT NULL,
[AutoPrintDate] [datetime] NULL,
CONSTRAINT [PK_tblSticker] PRIMARY KEY NONCLUSTERED
(
[intStore] ASC,
[intStickerNo] ASC,
[dtmStickerDate] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[tblStickerAreas](
[intAreaFlag] [tinyint] NOT NULL,
[intAreaNo] [tinyint] NOT NULL,
[strAreaName] [varchar](20) NOT NULL,
[blnAllAreas] [bit] NOT NULL,
[intAreaGrp] [int] NULL
) ON [PRIMARY]
GO
CREATE NONCLUSTERED INDEX [IX_StoreClientText] ON [dbo].[tblDetail]
(
[intStore] ASC,
[strClientText] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
GO
CREATE NONCLUSTERED INDEX [IDX_CreatedDate] ON [dbo].[tblOnHand]
(
[dtmCreatedDate] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
GO
SET ANSI_PADDING ON
GO
CREATE NONCLUSTERED INDEX [IDX_intArea] ON [dbo].[tblOnHand]
(
[intArea] ASC
)
INCLUDE ( [intStore],
[strBarcode],
[strDesc],
[fltQty],
[decCost],
[czBrand],
[dtmCreatedDate]) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
GO
CREATE NONCLUSTERED INDEX [IDX_StoreAreaBar] ON [dbo].[tblOnHand]
(
[intStore] ASC,
[intArea] ASC,
[strBarcode] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
GO
CREATE NONCLUSTERED INDEX [_dta_index_tblSticker_204_2025058250__K4_K1_K2_K3_K14] ON [dbo].[tblSticker]
(
[strRescanSW] ASC,
[intStore] ASC,
[intStickerNo] ASC,
[dtmStickerDate] ASC,
[intAreaNo] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
CREATE NONCLUSTERED INDEX [IDX_intAreaNo] ON [dbo].[tblStickerAreas]
(
[intAreaNo] ASC
)
INCLUDE ( [strAreaName]) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
GO
答案 0 :(得分：0)
您可以做的一个非常快速的测试是将其修改为使用临时表。这可能会或可能不会产生太大影响，但这是一个快速的尝试。
SELECT DISTINCT OH.intStore
, OH.strBarcode
, SA.intAreaGrp
, OH.strDesc
, OH.czBrand
, OH.decCost
, AG.strAreaName
, OH.fltQty
, OH.dtmCreatedDate
INTO #TEMP_OX
FROM tblOnHand AS OH
LEFT JOIN dbo.tblStickerAreas AS SA ON (OH.intArea = SA.intAreaNo)
LEFT JOIN dbo.tblAreaGrp AS AG ON (SA.intAreaGrp = AG.intAreaGrp)
SELECT DT.intStore
, DT.strClientText
, SA.intAreaGrp
, AG.strAreaName
, SUM(DT.fltQty) SumQty
, MIN(DT.strBarCode) FirstBarCode
INTO #TEMP_DX
FROM dbo.tblDetail AS DT
JOIN dbo.tblSticker AS SK ON (DT.intStore = SK.intStore
AND DT.intStickerNo = SK.intStickerNo
AND DT.dtmstickerdate = SK.dtmstickerdate
AND SK.strrescansw = 'N')
LEFT JOIN dbo.tblStickerAreas AS SA ON (SK.intAreaNo = SA.intAreaNo)
LEFT JOIN dbo.tblAreaGrp AS AG ON (SA.intAreaGrp = AG.intAreaGrp)
--WHERE strrescansw = 'N'
GROUP BY
DT.intStore
, DT.strClientText
, SA.intAreaGrp
, AG.strAreaName
SELECT ISNULL(OX.intStore, DX.intStore) AS sStore
, OX.dtmCreatedDate
, ISNULL(OX.strBarcode, ISNULL(DX.strClientText, DX.FirstBarCode)) AS sBarcode
, ISNULL(OX.strAreaName, DX.strAreaName) AS sArea
, ISNULL(OX.strDesc, 'N/F') AS sDesc
, ISNULL(OX.czBrand, 'N/F') AS sBrand
, ISNULL(OX.decCost, 0) AS nCost
, ISNULL(DX.SumQty, 0) AS nHT_Unit
, ISNULL(OX.fltQty, 0) AS nOH_Unit
, (ISNULL(DX.SumQty, 0) * ISNULL(OX.decCost, 0)) AS nEXTCost
, (ISNULL(OX.fltQty, 0) * ISNULL(OX.decCost, 0)) AS nOH_EXTCost
, (ISNULL(DX.SumQty, 0) - ISNULL(OX.fltQty, 0)) AS nVarUnit
, (ISNULL(DX.SumQty, 0) - ISNULL(OX.fltQty, 0)) * ISNULL(OX.decCost, 0) AS nVarCost
FROM #TEMP_OX
FULL OUTER JOIN #TEMP_DX
ON OX.intStore = DX.intStore AND OX.strBarcode = DX.strClientText
除此之外，如果没有架构和索引的更多细节，则很难调整此SQL。如果您可以运行查询并检查执行计划，您将能够看到延迟的来源。