use zhengcaioa
go
alter table plt_user add 

ipmac nvarchar(30) null,
usernumber nvarchar(30) null,
is_xmenter nvarchar(1) null,
is_wdenter nvarchar(1) null,
advancewages decimal(10, 2) null,
miniyearsalary decimal(10,2) null,
senioritywages decimal(10,2) null,
is_travelsubsidy nvarchar(1) null
go