--角色
create table tb_manager_role (
   id                   int                  identity,					--自增ID
   role_name            nvarchar(100)        null,						--角色名称
   role_type            tinyint              null,						--角色类型
   constraint PK_TB_MANAGER_ROLE primary key (id)
)
go

declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '自增ID',
   'user', @CurrentUser, 'table', 'tb_manager_role', 'column', 'id'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '角色名称',
   'user', @CurrentUser, 'table', 'tb_manager_role', 'column', 'role_name'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '角色类型',
   'user', @CurrentUser, 'table', 'tb_manager_role', 'column', 'role_type'
go