--数据库备份
create table tb_databackup (
   id                   int                  identity,					--自增阿弟
   title                nvarchar(100)        null,						--标题
   paixu                int                  null,						--排序
   storage              nvarchar(100)        null,						--内存大小
   user_name            nvarchar(100)        null,						--用户名称
   add_time             datetime             null default getdate(),	--添加日期
   constraint PK_TB_DATABACKUP primary key (id)
)
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '自增阿弟',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'id'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '标题',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'title'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '排序',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'paixu'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '内存大小',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'storage'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '用户名称',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'user_name'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '添加日期',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'add_time'
go