Sql 具有复合键的聚合函数
我需要根据CollMstHdr.EntryNo和CollMstHdr.Date计算金额总和,我有EntryNo和Date两个主键,但仅根据EntryNo计算金额总和。Sql 具有复合键的聚合函数,sql,sql-server,sql-server-2008,sql-server-2008-r2,Sql,Sql Server,Sql Server 2008,Sql Server 2008 R2,我需要根据CollMstHdr.EntryNo和CollMstHdr.Date计算金额总和,我有EntryNo和Date两个主键,但仅根据EntryNo计算金额总和。 当我们有两列作为主键时,如何使用Group By Clouse 首先根据表结构执行连接。 然后将列放入要对其执行分组的select and group by子句中 例如,如果您希望在EntryNo和Date上分组,请执行以下操作: SELECT CollMstHdr.EntryNo, CollMstHdr.Date, PartyM
当我们有两列作为主键时,如何使用Group By Clouse 首先根据表结构执行连接。 然后将列放入要对其执行分组的select and group by子句中 例如,如果您希望在EntryNo和Date上分组,请执行以下操作:
SELECT CollMstHdr.EntryNo, CollMstHdr.Date, PartyMst.PName, SUM(CollMstDtl.Amt)
FROM CollMstHdr
INNER JOIN CollMstDtl ON CollMstHdr.EntryNo = CollMstDtl.EntryNo
INNER JOIN PartyMst ON CollMstHdr.SPartyCd = PartyMst.PartyCd
group by CollMstHdr.EntryNo, CollMstHdr.Date, PartyMst.PName
SELECT CollMstHdr.EntryNo, CollMstHdr.Date, SUM(CollMstDtl.Amt)
FROM CollMstHdr
INNER JOIN CollMstDtl ON CollMstHdr.EntryNo = CollMstDtl.EntryNo
INNER JOIN PartyMst ON CollMstHdr.SPartyCd = PartyMst.PartyCd
group by CollMstHdr.EntryNo, CollMstHdr.Date
如果只想在EntryNo上分组,请执行以下操作:
SELECT CollMstHdr.EntryNo, CollMstHdr.Date, PartyMst.PName, SUM(CollMstDtl.Amt)
FROM CollMstHdr
INNER JOIN CollMstDtl ON CollMstHdr.EntryNo = CollMstDtl.EntryNo
INNER JOIN PartyMst ON CollMstHdr.SPartyCd = PartyMst.PartyCd
group by CollMstHdr.EntryNo, CollMstHdr.Date, PartyMst.PName
SELECT CollMstHdr.EntryNo, CollMstHdr.Date, SUM(CollMstDtl.Amt)
FROM CollMstHdr
INNER JOIN CollMstDtl ON CollMstHdr.EntryNo = CollMstDtl.EntryNo
INNER JOIN PartyMst ON CollMstHdr.SPartyCd = PartyMst.PartyCd
group by CollMstHdr.EntryNo, CollMstHdr.Date
请解释一下你需要什么。首先,你说你想要每个
条目号和日期的总和,然后你说你只想要每个条目号和日期的总和。我想要每个条目号和日期的总和。然后使用第一个查询。。。我已经在我的回答中详细说明了。。。请注意,您的要求不同。。请澄清一下。