```sql
-- auto-generated definition
create table t_wxmall_package_platform
(
    code varchar(12)  not null
        constraint t_wxmall_package_platform_pk
            primary key,
    name nvarchar(32) not null
)
go

exec sp_addextendedproperty 'MS_Description', N'套餐上架的平台', 'SCHEMA', 'dbo', 'TABLE', 't_wxmall_package_platform'
go

exec sp_addextendedproperty 'MS_Description', N'编码', 'SCHEMA', 'dbo', 'TABLE', 't_wxmall_package_platform', 'COLUMN',
     'code'
go

exec sp_addextendedproperty 'MS_Description', N'名称', 'SCHEMA', 'dbo', 'TABLE', 't_wxmall_package_platform', 'COLUMN',
     'name'
go


```

```sql
alter table t_wxmall_package add platform varchar(256)
```