SQL Server:按字段上的函数分组,然后选择
我有一个SQL Server:按字段上的函数分组,然后选择,sql,sql-server,datetime,aggregation,Sql,Sql Server,Datetime,Aggregation,我有一个分组,按年份(mydate)、月份(mydate) 我想选择他们作为一个独特的领域,如 SELECT SUM(Price),YEAR(mydate) + '/' + MONTH(mydate) FROM MyTable GROUP BY YEAR(mydate), MONTH(mydate) 或者类似的事情 mydate是smalldatetime 有可能吗?试试这个: SELECT cast(YEAR(mydate) as CHAR(4))+'/'+cast(MONTH(mydate
分组,按年份(mydate)、月份(mydate)
我想选择他们作为一个独特的领域,如
SELECT SUM(Price),YEAR(mydate) + '/' + MONTH(mydate)
FROM MyTable
GROUP BY YEAR(mydate), MONTH(mydate)
或者类似的事情
mydate
是smalldatetime
有可能吗?试试这个:
SELECT cast(YEAR(mydate) as CHAR(4))+'/'+cast(MONTH(mydate) as varchar(2))
FROM MyTable
Group by YEAR(mydate),MONTH(mydate)
您需要将它们转换为字符串 试一试
对于MS SQL Server 2012,带前导零:
CAST(YEAR(mydate) AS VARCHAR(4)) + '/' +
RIGHT('00' + CAST(MONTH(mydate) AS VARCHAR(2)), 2)
这是我的解决方案:)
我需要在sqlserver表中获取较旧的日期(列year\u rif和month\u rif),以便从链接的oracle表中插入较新的记录(按月度作业在sqlserver中镜像oracle表)
在首次导入时,我假设从2016年1月开始获取数据
全部工作是:
DECLARE @anno_INIZIO int
DECLARE @mese_INIZIO int
--get max year/mont avaible in mirrored table
select top(1) @mese_INIZIO= mese_rif,@anno_INIZIO=anno_rif from dbo.ORACLE_BUDGET_MENSILI group by mese_rif,anno_rif order by max(mese_rif/12+anno_rif) desc
--
set @anno_inizio=coalesce(@anno_inizio,2016)
set @mese_INIZIO=coalesce(@mese_INIZIO,1)
-- query to linked oracle to get into table newer data
SET @SQL='select * FROM OPENQUERY(ADL_REP,''
SELECT CODICE_UO,ANNO_RIF,MESE_RIF,ID_CLASSE,BUDGET,ORE_MENSILI_OBIETTIVO FROM ADL.BUDGET_MENSILI where mese_rif/12+anno_rif > '+convert(varchar(255),@mese_INIZIO/12+@anno_INIZIO)+'
'')'
INSERT INTO uat.[dbo].ORACLE_BUDGET_MENSILI EXECUTE sp_executesql @SQL
我不明白你想做什么-这个查询有效吗?或者如果没有:在什么方面它不能像你们希望的那样工作?我想知道总和(价格)每年/每月-但该查询是否已经回答了该问题?我有错误,因为分组列表中未提及mydate。我有错误,因为分组列表中未提及mydate。请提供答案的解释。虽然此代码可以回答该问题,提供关于如何和/或为什么解决问题的额外信息将提高答案的长期价值。记住,你是在将来回答读者的问题,而不仅仅是现在提问的人!请在回答中添加解释,并说明适用的限制和假设。提到为什么这个答案比其他答案更合适也没什么坏处。
CAST(YEAR(mydate) AS VARCHAR(4)) + '/' +
RIGHT('00' + CAST(MONTH(mydate) AS VARCHAR(2)), 2)
DECLARE @anno_INIZIO int
DECLARE @mese_INIZIO int
select top(1) @mese_INIZIO= mese_rif,@anno_INIZIO=anno_rif
from dbo.ORACLE_BUDGET_MENSILI
group by mese_rif,anno_rif
order by max(mese_rif/12+anno_rif) desc
set @anno_inizio=coalesce(@anno_INIZIO ,2016)
set @mese_INIZIO=coalesce(@mese_INIZIO,1)
DECLARE @anno_INIZIO int
DECLARE @mese_INIZIO int
--get max year/mont avaible in mirrored table
select top(1) @mese_INIZIO= mese_rif,@anno_INIZIO=anno_rif from dbo.ORACLE_BUDGET_MENSILI group by mese_rif,anno_rif order by max(mese_rif/12+anno_rif) desc
--
set @anno_inizio=coalesce(@anno_inizio,2016)
set @mese_INIZIO=coalesce(@mese_INIZIO,1)
-- query to linked oracle to get into table newer data
SET @SQL='select * FROM OPENQUERY(ADL_REP,''
SELECT CODICE_UO,ANNO_RIF,MESE_RIF,ID_CLASSE,BUDGET,ORE_MENSILI_OBIETTIVO FROM ADL.BUDGET_MENSILI where mese_rif/12+anno_rif > '+convert(varchar(255),@mese_INIZIO/12+@anno_INIZIO)+'
'')'
INSERT INTO uat.[dbo].ORACLE_BUDGET_MENSILI EXECUTE sp_executesql @SQL