CloudComputingFinalProject/data/tb_databackup.sql

--���ݿⱸ��
create table tb_databackup (
   id                   int                  identity,					--��������
   title                nvarchar(100)        null,						--����
   paixu                int                  null,						--����
   storage              nvarchar(100)        null,						--�ڴ���С
   user_name            nvarchar(100)        null,						--�û�����
   add_time             datetime             null default getdate(),	--��������
   constraint PK_TB_DATABACKUP primary key (id)
)
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '��������',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'id'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '����',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'title'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '����',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'paixu'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '�ڴ���С',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'storage'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '�û�����',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'user_name'
go
declare @CurrentUser sysname
select @CurrentUser = user_name()
execute sp_addextendedproperty 'MS_Description', 
   '��������',
   'user', @CurrentUser, 'table', 'tb_databackup', 'column', 'add_time'
go