SELECT a.COLLEGE AS 学院,COUNT(*) AS 学生人数 FROM base_alumni a GROUP BY a.COLLEGE; 3、where,having,和group by联合使用 在最初学习group by的时候,我就陷入了一个误区,那就是group by不能和where一起使用,只能用having…… 看书不认真啊,其实它们都是可以一起使用的,只不过是where只能在group by ...
='000000' order by sID asc for xml path('')),1,0,'') as name ; ---sID!='000000' 这里是过滤全国这行数据 WITH areadata (DeptId, ParentId, DeptName, PathName) AS (SELECT dept.DeptId, dept.Upperid AS ParentId, dept.DeptName, convert(nvarchar(max), dept.DeptName)asPathName FROM ...
SELECT top 20 ad.companyname,comid,position,ad.referenceid,worklocation, convert(varchar(10),ad.postDate,120) as postDate1,workyear,degreedescription FROM jobcn_query.dbo.COMPANYAD_query ad where referenceID in(‘JCNAD00329667′,’JCNAD132168′,’JCNAD00337748′,’JCNAD00338345′,’JCNAD003331...
ISNULL(mtl_no,'') + '"' FROM SL_LOT_MTL_CHG_SUM_ITEM WITH(NOLOCK) WHERE doccod...
query('<Tab> {for $i in /Tab[position()<last()]/@COl2 return concat(string($i),",")} {concat("",string(/Tab[last()]/@COl2))} </Tab>') )b --SQL2005用CTE: WITH roy AS ( SELECT Col1,Col2,row=row_number()over(PARTITION BY COl1 ORDER BY COl1) FROM Tab ) ,Roy2 ...
SELECT STRING_AGG(ColumnName,'$') WITHIN GROUP (ORDER BY ZfeatureKey) FROM CP GO Try to implement this simple case in your real case Basically you have two places where you useFOR XMLwhich you can now replace with usingSTRING_AGGfunction. ...
SQL字符串的分组聚合(ZT) ,然后再查询语句里面调用这个聚合函数;实际上还有更简单的办法,这是作者给出的解决办法,没有用到自定义聚合函数,他用的是FOR XML PATH(‘’)这样的处理方式,感觉真是爽 with t as(...PATH('')),1 ,1, '') children FROM t b GROUP BY parent 复制代码 复制代码 如果你还有...
I get many requests from customers for something like sp_who/sp_who2 for Sql 2005 with new...Author: Spruce Media Date: 08/15/2007Katmai (Sql 2008) - Group By SetsWith Sql 2008 (in the current CTP you have in your hand), thanks to a new extension to the group by......
It shows how far you can go from a certain station in 5 hours by train. Direkht Ban Guru Enter the name of the station to see what cities you can get to by train without changing (+ travel time for each city). Live Train Tracker A world map showing real-time train traffic (with ...
Bonus tip for dealing with this runtime error: Request for the permission of type 'XppILExecutePermission' failed. Check if your method callingrunClassMethodIL()and creating the permission (runIL()in my example) is actually running on server. If not,runClassMethodIL()won’t find theXppILExec...