sqlserver数据库附加分离备份还原命令

 1 --获取所有数据库的名称
 2 select [name] from master.dbo.sysdatabases where [name]=\'master\'
 3 
 4 --判断数据库是否存在
 5 if exists(select [name] from master.dbo.sysdatabases where [name]=\'master\')
 6     
 7     begin
 8      select 1;
 9     end
10  else
11     begin
12     select 0;
13     end
14 
15 --分离数据库-----要先获取所有的数据库
16 if exists(select [name] from master.dbo.sysdatabases where [name]=\'zuobiao\')
17     
18     begin
19     exec sp_detach_db \'zuobiao\'
20      select 1;
21     end
22  else
23     begin
24     select 0;
25     end
26 
27 --附加数据库-------要判断要附加的数据库是否存在
28 if exists(select [name] from master.dbo.sysdatabases where [name]=\'zuobiao\')
29     
30     begin
31      select 0;
32     end
33  else
34     begin
35     exec sp_attach_db @dbname=\'zuobiao\'
36                       ,@filename1=\'D:\Program Files\SQL Server\MSSQL.1\MSSQL\Data\zuobiao.mdf\'
37                       ,@filename2=\'D:\Program Files\SQL Server\MSSQL.1\MSSQL\Data\zuobiao_log.LDF\'
38     select 1;
39     end
40 
41 ---备份数据库
42 use master 
43 go
44 backup database demo to disk=\'d:\database\demo.bak\'
45 
46 --还原数据库
47 use master 
48 go
49 restore database demo 
50 from disk=\'d:\database\demo.bak\' 
51 with replace