不明SQL查询错误,求救
全表查询
select * from consumer
结果集
teng.xiao 肖腾 xiaoteng MIS 5801 0 0 0 0
wei.yuan 袁伟 yuanwei MIS 5801 1 1 1 0
条件查询
select * from consumer where U_name = '肖腾 '
结果集
(全部null)
请教错在哪里啊
------解决方案--------------------try
select * from consumer where U_name = N '肖腾 '