SQLServer临时表更新字段，将某个字段赋值成某个字段的值

with temptb AS(
SELECT sl.CompanyID,info.BID FROM dbo.N_Order_ServiceLog sl
LEFT JOIN dbo.N_Org_Info info
ON info.ID = sl.CompanyID
 WHERE sl.ServiceId = 8
 AND sl.IsDel = 0
 AND sl.CreateTime>'2017-07-14 11:33:48'
 AND sl.CreateTime<'2017-08-16 11:33:48'
 AND sl.IsDel = 0)
 
 SELECT * FROM temptb;
 --UPDATE temptb SET Companyid=BID