SQL语句的错误，请高手帮忙看看
EXEC master..xp_cmdshell 'bcp "select * from casinodb.dbo.chipin_record where datediff(d,chipin_time,getdate())> =1 " queryout d:\ ' + convert(varchar(10),GetDate(),120) + '.txt -c -U sa -P zjx1551 '

上面的这句话有什么错误吗？为什么老提示如下的错误呀，还请高手们帮我看看

Msg 102, Level 15, State 1, Line 1
Incorrect syntax near '+ '.


[解决办法]
declare @sql varchar(1000)

set @sql = 'bcp "select * from casinodb.dbo.chipin_record where datediff(d,chipin_time,getdate())> =1 " queryout d:\ ' + convert(varchar(10),GetDate(),120) + '.txt -c -U sa -P zjx1551 '

EXEC master..xp_cmdshell @sql

[解决办法]

SQL code

declare   @sql   varchar(1000) set @sql ='bcp "select * from casinodb.dbo.chipin_record where datediff(d,chipin_time,getdate()) >= 1" queryout "d:\' + convert(varchar(10),GetDate(),120) + '.txt" -c -U sa -P zjx1551' exec  master..xp_cmdshell @sql
[解决办法]
declare   @sql   varchar(1000)  
set @sql ='bcp "select * from casinodb.dbo.chipin_record where datediff(d,chipin_time,getdate()) >= 1" queryout "d:\'  
+ convert(varchar(10),GetDate(),120) + '.txt" -c -U sa -P zjx1551'  
exec  master..xp_cmdshell @sql