一些有用的sql语句实例

1 Examples

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select id,age,Fullname from tableOne a
where a.id!=(select max(id) from tableOne b where a.age=b.age and a.FullName=b.FullName)

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delete from dbo.Schedule where

RoomID=29 and StartTime>'2005-08-08' and EndTime<'2006-09-01' and Remark like 'preset' and UserID=107

and (

(ScheduleID>=3177 and ScheduleID<=3202 )

or (ScheduleID>=3229 and ScheduleID<=3254)

or (ScheduleID>=3307 and ScheduleID<=3332)

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delete tableOne
where tableOne.id!=(select max(id) from tableOne b where tableOne.age=b.age and tableOne.FullName=b.FullName);

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DataClient 12/23/2005 5:03:38 PM

select top 5

DOC_MAIN.CURRENT_VERSION_NO as Version, DOC_MAIN.MODIFY_DATE as ModifyDT, DOC_MAIN.SUMMARY as Summary, DOC_MAIN.AUTHOR_EMPLOYEE_NAME as AuthorName, DOC_MAIN.TITLE as Title, DOC_MAIN.DOCUMENT_ID as DocumentID, Attribute.ATTRIBUTE_ID as AttributeId, Attribute.CATALOG_ID as CatalogId, DOC_STATISTIC.VISITE_TIMES as VisiteTimes, DOC_STATISTIC.DOCUMENT_ID as DocumentID2

from DOC_MAIN DOC_MAIN

Inner join CATALOG_SELF_ATTRIBUTE Attribute on DOC_MAIN.CATALOG_ID=Attribute.CATALOG_ID

Left join DOC_STATISTIC DOC_STATISTIC on DOC_MAIN.DOCUMENT_ID=DOC_STATISTIC.DOCUMENT_ID

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

order by VisiteTimes DESC

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select top 1 DOCUMENT_ID,EMPLOYEE_NAME,COMMENT_DATE,COMMENT_VALUE

from dbo.DOC_COMMENT

where DOCUMENT_ID=19 and COMMENT_DATE = (select max(COMMENT_DATE) from DOC_COMMENT where DOCUMENT_ID=19)

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select TITLE, (select top 1 EMPLOYEE_NAME

from dbo.DOC_COMMENT where DOCUMENT_ID=19) Commentman,

(select top 1 COMMENT_DATE

from dbo.DOC_COMMENT where DOCUMENT_ID=19) COMMENT_DATE

from DOC_MAIN where DOCUMENT_ID=19

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alter view ExpertDocTopComment

as



select DOCUMENT_ID, max(ORDER_NUMBER ) as lastednum

from dbo.DOC_COMMENT

group by DOCUMENT_ID



go

alter view ExpertDocView

as

select TITLE , a.AUTHOR_EMPLOYEE_ID , c.EMPLOYEE_NAME , c.COMMENT_DATE

from dbo.DOC_MAIN a

left join

ExpertDocTopComment b



on

a.DOCUMENT_ID = b.DOCUMENT_ID



inner join

DOC_COMMENT c

on

b.DOCUMENT_ID = c.DOCUMENT_ID and

b.lastednum = c. ORDER_NUMBER

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select a.Id ,a.WindowsUsername ,

0 , 1 ,

a.Email ,



case b.EnFirstName when null then a.Username else b.EnFirstName end,

case b.EnLastName when null then a.Username else b.EnLastName end

from UUMS_KM.dbo.UUMS_User a

left join

UUMS_KM.dbo.HR_Employee b

on

a. HR_EmployeeId = b.id

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列出上传文档最多的五个人的ID

select AUTHOR_EMPLOYEE_ID,count(AUTHOR_EMPLOYEE_ID)

from dbo.DOC_MAIN

group by AUTHOR_EMPLOYEE_ID

order by count(AUTHOR_EMPLOYEE_ID)

2719 2

6 9

12 30

1 116

列出上传文档最多的五个人的信息

select distinct AUTHOR_EMPLOYEE_ID ,AUTHOR_EMPLOYEE_NAME

from dbo.DOC_MAIN

where AUTHOR_EMPLOYEE_ID

in (

select top 5 AUTHOR_EMPLOYEE_ID

from dbo.DOC_MAIN

group by AUTHOR_EMPLOYEE_ID

order by count(AUTHOR_EMPLOYEE_ID)

)

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