为什么这句SQL出错
exec( 'update xsyjtotalyku_1_admin set ysbl=ltrim(rtrim(cast(cast(100*ysje/xsje as decimal(18,2)) as char(10)))) '+ ' '% ' ')

[解决办法]
exec( 'update xsyjtotalyku_1_admin set ysbl=ltrim(rtrim(cast(cast(100*ysje/xsje as decimal(18,2)) as char(10))))+ ' '% ' ' ')