我想在SQLServer2005中比较具有多行的两个XML列。表结构如下CREATETABLE[dbo].[UpdationLog]([LogID][int]IDENTITY(1,1)NOTFORREPLICATIONNOTNULL,[CustID][int]NOTNULL,[OldValue][xml]NOTNULL,[NewValue][xml]NOTNULL,CONSTRAINT[PK_UpdationLog]PRIMARYKEYCLUSTERED([LogID]ASC)WITH(PAD_INDEX=OFF,STATISTICS_NORECOMPUTE=OFF,IGNORE_DU