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我正在尝试使用下面的脚本创建临时表,并且这是永久占用的。我希望有人可能会提供一些关于如何重写代码以加快速度的提示。减少创建临时表的时间
Select ProductName,
Convert(date, messagereceived) as ProcessDate,
datepart(hour,messagereceived) as ProcessHour,
Pipename,Partnername,
DaTEDIFF(SECOND,MessageCreated,MessageReceived) as TransitTime,
DaTEDIFF(SECOND,MessageReceived,ProcessingStarted) as WaitTime,
DaTEDIFF(SECOND,ProcessingStarted,ProcessingFinished) as ProcessingTime
into #Temp
from Table ml
inner join MessagingProduct mp on ml.MessagingProductId=mp.ProductId
where ml.processingstarted > '2015-09-08' and ml.processingstarted < '2015-09-09'
AND
ml.MessagingSystemId=1
“永远”有多久?你的源表是什么样的?他们目前有哪些指标?它们包含多少数据? –