消息 7356，级别 16，状态 1，第 1 行 链接服务器 "downloadschoolcardinfo" 的 OLE DB 访问接口 "OraOLEDB.Oracl
Select * from openquery(Emr, 'Select Cast(wlkh as Varchar(20)) From view.xxxx')
增加Cast即可。
Select * from openquery(Emr, 'Select Cast(wlkh as Varchar(20)) From view.xxxx')
增加Cast即可。