我正在尝试执行查询。执行需要32分钟。我尝试过NOLOCK，但仅用3分钟对其进行了优化。 查询如下：-
SELECT PO.payday, PO.facility, PO.department, PO.workcenter, PO.shift, PO.team, PO.orderno, PO.fg_productno,
PO.sfg_productno, NoCarton = '1', NoPack = 5, NoCigarette = PO.nocigarette, VNC.sampleid, VNC.comment,
VNC.createdby, SampleDateTime = dbo.AF_GetUTCToLocal(VNC.UTCStartDate),
SampleTime = Cast(CONVERT(CHAR(10), VNC.utcstartdate, 101) AS DATETIME), VNC.ncgroup, VNC.productcomponent,
VNC.nc, VNC.ncname, VNC.weightingfactor, VNC.ConsumerSensitive, VNC.[lowunits], VNC.[low %], VNC.[highunits],
VNC.[high %], VNC.vqi, VNC.deepcontrol,
--Modification done for CHE10045964
PO.ResourceClassName
FROM
(SELECT PayDay = WCS.payday, Facility = R.facility, Department = R.department, WorkCenter = R.workcenter,
Shift = WCS.workperiod, Team = SD.teamid, OrderNo = WO.orderno,
FG_ProductNo = P.productno + Isnull('.' + P.productrevision, ''),
SFG_ProductNo = CASE
WHEN UCHSC.attribute_ != P.productno
THEN UCHSC.attribute_
ELSE NULL
END,
WO.actualstartdate, WO.actualcompletiondate,
NoCigarette = dbo.Af_getunitcharacteristicattribute(OD.unitid,'ZPPPI_ITEM_PACK') ,
RC.Name as ResourceClassName
FROM order_header OH
INNER JOIN dbo.wip_order WO ON OH.orderno = WO.orderno
INNER JOIN dbo.order_detail OD ON OD.orderno = WO.orderno
INNER JOIN dbo. product P ON WO.productid = P.id
INNER JOIN dbo.resource_ R ON R.resourcename = WO.resourcename AND R.resourcetype = WO.resourcetype
Inner Join dbo.Resource_Class RC ON R.ResourceClassID = RC.ID
INNER JOIN dbo.work_center_work_schedule WCS ON WO.oawipentityid = WCS.id
INNER JOIN at_work_center_work_schedule_detail SD ON WCS.id = SD.workcenterworkscheduleid
LEFT JOIN dbo.unit_characteristic UCHSC ON UCHSC.unitid = OD.unitid
AND UCHSC.characteristic = 'ZPPPI_SPA_CIGARETTE'
WHERE OH.ordertype = 23
GROUP BY WCS.payday, R.facility, R.department, R.workcenter, WCS.workperiod, SD.teamid,
WO.orderno, P.productno + Isnull('.' + P.productrevision, ''),
CASE
WHEN UCHSC.attribute_ != P.productno THEN UCHSC.attribute_
ELSE NULL
END,
WO.actualstartdate, WO.actualcompletiondate,
dbo.Af_getunitcharacteristicattribute(OD.unitid,'ZPPPI_ITEM_PACK'),
RC.Name
) PO INNER JOIN
(
SELECT NC.orderno, NC.sampleid, NC.comment, NC.deepcontrol, NC.createdby, NC.utcstartdate, NC.ncgroup, NC.productcomponent,
NC.nc, NC.ncname, NC.weightingfactor, NC.ConsumerSensitive, NC.[lowunits], NC.[low %], NC.[highunits], NC.[high %],
VQI = Round(NC.weightingfactor * ( Log (1 + [low %] / 3.0 + [high %]) ), 0),
--Added By Sukanya Biswas(CHE10045964)
NC.WorkCenter
FROM (SELECT orderno, b.sampleid, b.comment, b.deepcontrol, b.utcstartdate, b.ncgroup, b.productcomponent,
b.nc, b.ncname, b.weightingfactor, b.ConsumerSensitive, b.createdby,
[LowUnits] = Isnull(b.[1], 0),
[Low %] = CASE CONVERT(NVARCHAR(1),b.deepcontrol) + b.ncgroup
WHEN '0Bundle' THEN CASE WHEN (Isnull(b.[1], 0) * 100) > 100 THEN 100 ELSE Isnull(b.[1], 0) * 100 END
WHEN '1Bundle' THEN CASE WHEN (Isnull(b.[1], 0) * 100) > 100 THEN 100 ELSE Isnull(b.[1], 0) * 100 END
WHEN '0Pack' THEN CASE WHEN (Isnull(b.[1], 0) * NoofCigarette ) > 100 THEN 100 ELSE Isnull(b.[1], 0) * NoofCigarette END
WHEN '1Pack' THEN CASE WHEN (Isnull(b.[1], 0) * NoofCigarette ) > 100 THEN 100 ELSE Isnull(b.[1], 0) * NoofCigarette END
WHEN '0Cigarette' THEN CASE WHEN (Isnull(b.[1], 0) * 5 ) > 100 THEN 100 ELSE Isnull(b.[1], 0) * 5 END
WHEN '1Cigarette' THEN CASE WHEN (Isnull(b.[1], 0) * 1 ) > 100 THEN 100 ELSE Isnull(b.[1], 0) * 1 END
WHEN '0Filter' THEN CASE WHEN (Isnull(b.[1], 0) * 10 ) > 100 THEN 100 ELSE Isnull(b.[1], 0) * 10 END
WHEN '1Filter' THEN CASE WHEN (Isnull(b.[1], 0) * 10 ) > 100 THEN 100 ELSE Isnull(b.[1], 0) * 10 END
ELSE Isnull(b.[1], 0)
END, [HighUnits] = Isnull(b.[2], 0),
[High %] = CASE CONVERT(NVARCHAR(1),b.deepcontrol) + b.ncgroup
WHEN '0Bundle' THEN CASE WHEN (Isnull(b.[2], 0) * 100) > 100 THEN 100 ELSE Isnull(b.[2], 0) * 100 END
WHEN '1Bundle' THEN CASE WHEN (Isnull(b.[2], 0) * 100) > 100 THEN 100 ELSE Isnull(b.[2], 0) * 100 END
WHEN '0Pack' THEN CASE WHEN (Isnull(b.[2], 0) * NoofCigarette ) > 100 THEN 100 ELSE Isnull(b.[2], 0) * NoofCigarette END
WHEN '1Pack' THEN CASE WHEN (Isnull(b.[2], 0) * NoofCigarette ) > 100 THEN 100 ELSE Isnull(b.[2], 0) * NoofCigarette END
WHEN '0Cigarette' THEN CASE WHEN (Isnull(b.[2], 0) * 5 ) > 100 THEN 100 ELSE Isnull(b.[2], 0) * 5 END
WHEN '1Cigarette' THEN CASE WHEN (Isnull(b.[2], 0) * 1 ) > 100 THEN 100 ELSE Isnull(b.[2], 0) * 1 END
WHEN '0Filter' THEN CASE WHEN (Isnull(b.[2], 0) * 10 ) > 100 THEN 100 ELSE Isnull(b.[2], 0) * 10 END
WHEN '1Filter' THEN CASE WHEN (Isnull(b.[2], 0) * 10 ) > 100 THEN 100 ELSE Isnull(b.[2], 0) * 10 END
ELSE Isnull(b.[2], 0)
END ,
--Added By Sukanya Biswas(CHE10045964)
B.WorkCenter
FROM (SELECT D .orderno, SampleID = DTS.id,
--Added By Sukanya Biswas(CHE10045964)
DL.WorkCenter,
Comment = CASE Isnull(DTS.comment_, '')
WHEN '' THEN 'N/A'
ELSE DTS.comment_
END, UTCStartDate = DTS.actualstartdate, NC.ncgroup, NC.productcomponent, NC.nc, NC.ncname,
NC.weightingfactor, NC.ConsumerSensitive,
Severity = Isnull(QD.qualitydefectseverityid, 0),
QD.noofdefects, DTS.createdby, DeepControl = DTS.overridesumresults,
NoofCigarette = dbo.Af_getunitcharacteristicattribute(OD.unitid,'ZPPPI_ITEM_PACK')
FROM dbo.disposition D
INNER JOIN dbo.disposition_line DL ON D .disposition = DL.disposition
--Inner Join dbo.Work_Center WC ON DL.Workcenter = WC.Workcenter
INNER JOIN dbo.disposition_test DT ON DT.disposition = D .disposition
AND DT.linesequenceno = DL.linesequenceno
INNER JOIN dbo.disposition_test_sample DTS ON DTS.dispositiontestid = DT.id
LEFT JOIN quality_defect QD ON QD.dispositiontestsampleid = DTS.id
INNER JOIN dbo.AV_RPT_VSI_Nonconformity NC ON Isnull(QD.defectreasoncode, '00.00.00') = NC.nc
LEFT JOIN ORDER_DETAIL OD ON OD.ORDERNO=D.ORDERNO
WHERE DL.linecode = 'VQ'
) A
PIVOT (Sum(a.noofdefects)
FOR severity IN ([1],[2]))
B)
NC
答案 0 :(得分：0)
根据您的查询过滤器和所需的列，请在受尊重的列上建立索引。 默认情况下，SQL会在主键上创建聚簇索引，但是您可以在表上创建其他非聚簇索引，以加快执行速度。
您可能会找到此链接以供参考或使用Google，因为Internet上有数百篇相同的文章。 “ https://docs.microsoft.com/en-us/sql/t-sql/statements/create-index-transact-sql?view=sql-server-2017”