9core.com - 九核技术交流网

九百链
为了更好的解决实际工作中遇到的问题,本站开设了QQ群 ASP+PHP+JSP+.NET①:9793624
ASP+PHP+JSP+.NET②:17775294
网站通告: 新开设QQ群,群号:17775294 九核WEB技术专业论坛 官方QQ群 9793624
搜索: 您的位置主页> 程序开发 > 数据库技术 >阅读资讯: 一些有用的sql语句实例

一些有用的sql语句实例

文章来源:互联网 发表时间:2008-09-08 点击次数

1Examples

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL


=======================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

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

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

=========================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

deletefromdbo.Schedulewhere

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

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

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

and(

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

(ScheduleID>=3177andScheduleID<=3202)

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

or(ScheduleID>=3229andScheduleID<=3254)

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

or(ScheduleID>=3307andScheduleID<=3332)

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

=========================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

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

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

==========================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

DataClient12/23/20055:03:38PM

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selecttop5

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

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

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromDOC_MAINDOC_MAIN

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

InnerjoinCATALOG_SELF_ATTRIBUTEAttributeonDOC_MAIN.CATALOG_ID=Attribute.CATALOG_ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

LeftjoinDOC_STATISTICDOC_STATISTIConDOC_MAIN.DOCUMENT_ID=DOC_STATISTIC.DOCUMENT_ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

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

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

orderbyVisiteTimesDESC

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

====================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selecttop1DOCUMENT_ID,EMPLOYEE_NAME,COMMENT_DATE,COMMENT_VALUE

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromdbo.DOC_COMMENT

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

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

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

====================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selectTITLE,(selecttop1EMPLOYEE_NAME

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromdbo.DOC_COMMENTwhereDOCUMENT_ID=19)Commentman,

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

(selecttop1COMMENT_DATE

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromdbo.DOC_COMMENTwhereDOCUMENT_ID=19)COMMENT_DATE

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromDOC_MAINwhereDOCUMENT_ID=19

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

======================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

alterviewExpertDocTopComment

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

as

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selectDOCUMENT_ID,max(ORDER_NUMBER)aslastednum

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromdbo.DOC_COMMENT

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

groupbyDOCUMENT_ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

go

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

alterviewExpertDocView

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

as

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selectTITLE,a.AUTHOR_EMPLOYEE_ID,c.EMPLOYEE_NAME,c.COMMENT_DATE

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromdbo.DOC_MAINa

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

leftjoin

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

ExpertDocTopCommentb

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

on

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

a.DOCUMENT_ID=b.DOCUMENT_ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

innerjoin

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

DOC_COMMENTc

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

on

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

b.DOCUMENT_ID=c.DOCUMENT_IDand

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

b.lastednum=c.ORDER_NUMBER

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

======================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selecta.Id,a.WindowsUsername,

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

0,1,

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

a.Email,

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

caseb.EnFirstNamewhennullthena.Usernameelseb.EnFirstNameend,

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

caseb.EnLastNamewhennullthena.Usernameelseb.EnLastNameend

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromUUMS_KM.dbo.UUMS_Usera

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

leftjoin

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

UUMS_KM.dbo.HR_Employeeb

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

on

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

a.HR_EmployeeId=b.id

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

=====================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

列出上传文档最多的五个人的ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selectAUTHOR_EMPLOYEE_ID,count(AUTHOR_EMPLOYEE_ID)

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromdbo.DOC_MAIN

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

groupbyAUTHOR_EMPLOYEE_ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

orderbycount(AUTHOR_EMPLOYEE_ID)

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

27192

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

69

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

1230

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

1116

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

列出上传文档最多的五个人的信息

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selectdistinctAUTHOR_EMPLOYEE_ID,AUTHOR_EMPLOYEE_NAME

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromdbo.DOC_MAIN

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

whereAUTHOR_EMPLOYEE_ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

in(

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

selecttop5AUTHOR_EMPLOYEE_ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

fromdbo.DOC_MAIN

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

groupbyAUTHOR_EMPLOYEE_ID

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

orderbycount(AUTHOR_EMPLOYEE_ID)

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

)

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

=================================

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL

vHUSpG5F17I64P9sWxdOowLm6nGSyoSrQk08JuuL
数据库
关于我们 - 联系我们 - 广告服务 - 友情链接 - 网站地图 - 版权声明 - 人才招聘 - 帮助