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一些有用的sql语句实例

2009-05-12 20:20:55来源：未知阅读 ()

1Examples

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selectid,age,FullnamefromtableOnea
wherea.id!=(selectmax(id)fromtableOnebwherea.age=b.ageanda.FullName=b.FullName)

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deletefromdbo.Schedulewhere

RoomID=29andStartTime>'2005-08-08'andEndTime<'2006-09-01'andRemarklike'preset'andUserID=107

and(

(ScheduleID>=3177andScheduleID<=3202)

or(ScheduleID>=3229andScheduleID<=3254)

or(ScheduleID>=3307andScheduleID<=3332)

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deletetableOne
wheretableOne.id!=(selectmax(id)fromtableOnebwheretableOne.age=b.ageandtableOne.FullName=b.FullName);

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DataClient12/23/20055:03:38PM

selecttop5

DOC_MAIN.CURRENT_VERSION_NOasVersion,DOC_MAIN.MODIFY_DATEasModifyDT,DOC_MAIN.SUMMARYasSummary,DOC_MAIN.AUTHOR_EMPLOYEE_NAMEasAuthorName,DOC_MAIN.TITLEasTitle,DOC_MAIN.DOCUMENT_IDasDocumentID,Attribute.ATTRIBUTE_IDasAttributeId,Attribute.CATALOG_IDasCatalogId,DOC_STATISTIC.VISITE_TIMESasVisiteTimes,DOC_STATISTIC.DOCUMENT_IDasDocumentID2

fromDOC_MAINDOC_MAIN

InnerjoinCATALOG_SELF_ATTRIBUTEAttributeonDOC_MAIN.CATALOG_ID=Attribute.CATALOG_ID

LeftjoinDOC_STATISTICDOC_STATISTIConDOC_MAIN.DOCUMENT_ID=DOC_STATISTIC.DOCUMENT_ID

where(DOC_MAIN.AUTHOR_EMPLOYEE_ID=1)and(Attribute.ATTRIBUTE_ID=11)

orderbyVisiteTimesDESC

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selecttop1DOCUMENT_ID,EMPLOYEE_NAME,COMMENT_DATE,COMMENT_VALUE

fromdbo.DOC_COMMENT

whereDOCUMENT_ID=19andCOMMENT_DATE=(selectmax(COMMENT_DATE)fromDOC_COMMENTwhereDOCUMENT_ID=19)

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selectTITLE,(selecttop1EMPLOYEE_NAME

fromdbo.DOC_COMMENTwhereDOCUMENT_ID=19)Commentman,