從execl導入數據到數據庫中，而且根據對應條件 2表關聯更新

select * into temp2 from OPENROWSET('MICROSOFT.JET.OLEDB.4.0', 'Excel 5.0;HDR=YES;DATABASE=d:\a.xls',sheet1$);

exec sp_configure 'show advanced options',1
reconfigure
exec sp_configure 'Ad Hoc Distributed Queries',1
reconfigure

exec sp_configure 'Ad Hoc Distributed Queries',0
reconfigure
exec sp_configure 'show advanced options',0
reconfigure

UPDATE T1 SET t1.CRMUserID_nvarchar=t2.CRMUserID_nvarchar FROM temp T1 INNER JOIN temp2 T2 ON T1.email_nvarchar=T2.email_nvarchar