sql 创建视图的时候怎么给字段赋值
select XH as UserId,
SFZJLXM as CardType,
SFZJH as CardNumber,
'' as Source,
XM as Name,
XM as FullName,
XBDM as Sex,
CSRQ as Birthday,
'' as Post,
BH as FatherUnitId,
'' as UnitType,
YDDH as mobile,
DZXX as WebMail,
'' as UnitLevel
from JUST.dbo.T_BKS
在这个里面我想给Source这个字段赋值,怎么做?