alter table p_systembillinfo add calcExpr varchar(200)
go
alter table p_systemwordbooktab add addModuleId varchar(20)
go
alter table p_systemwordbooktab add calcExpr varchar(200),calcOrder int default 1
go
update p_systemwordbooktab set calcOrder=1
go

alter table p_systembilldetail add nullable bit default 0
go
update p_systembilldetail set nullable=0
go