CloudComputingFinalProject/data/tb_coupon.sql

--�Ż�ȯ��
create table tb_coupon (
   id                   int                  identity,					--��������
   paixu				int			         null default 0,			--����
   name					nvarchar(255)		 null default '',			--�Ż�ȯ����
   start_time			datetime		     null,				        --�Ż�ȯ��ʼʱ��
   end_time				datetime		     null,					    --�Ż�ȯ����ʱ��
   number				int		             null default 0,			--�Ż�ȯ����
   purchase_amount		decimal(18,2)		 null,						--�Ż�ȯ��������
   coupon_amount		decimal(18,2)		 null,						--�Ż�ȯ���� 
   status				int			         null default 0,			--״̬(0��ʾ/1����)
   add_time             datetime             null default getdate(),    --����ʱ��
   constraint PK_TB_COUPON primary key (id)
)
go

execute sp_addextendedproperty 'MS_Description', 
   '��������',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'id'
go
execute sp_addextendedproperty 'MS_Description', 
   '����',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'paixu'
go

execute sp_addextendedproperty 'MS_Description', 
   '�Ż�ȯ����',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'name'
go

execute sp_addextendedproperty 'MS_Description', 
   '�Ż�ȯ��ʼʱ��',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'start_time'
go

execute sp_addextendedproperty 'MS_Description', 
   '�Ż�ȯ����ʱ��',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'end_time'
go

execute sp_addextendedproperty 'MS_Description', 
   '�Ż�ȯ����',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'number'
go

execute sp_addextendedproperty 'MS_Description', 
   '�Ż�ȯ��������',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'purchase_amount'
go

execute sp_addextendedproperty 'MS_Description', 
   '�Ż�ȯ����',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'coupon_amount'
go

execute sp_addextendedproperty 'MS_Description', 
   '״̬{1/��ʾ��0/����ʾ}',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'status'
go
execute sp_addextendedproperty 'MS_Description', 
   '����ʱ��',
   'user', 'dbo', 'table', 'tb_coupon', 'column', 'add_time'
go