sql server备份与还原 sql语句

USE master DECLARE tb CURSOR LOCAL FOR SELECT 'Kill '+ CAST(Spid AS VARCHAR) FROM master.dbo.sysprocesses
WHERE dbid=DB_ID('E9_JinShi') DECLARE @s nvarchar(1000) OPEN tb FETCH tb INTO @s
WHILE @@FETCH_STATUS = 0 BEGIN EXEC (@s) FETCH tb INTO @s END CLOSE tb DEALLOCATE tb
RESTORE DATABASE E9_JinShi FROM disk='C:\Documents and Settings\Administrator\桌面\E39_JINSHI_20140310.bak'
WITH MOVE 'HIDEAEMS_V2006_Data' TO 'F:\DB\FDBEO_Jinshi\E9_JinShi_Data.MDF',
MOVE 'HIDEAEMS_V2006_Log' TO 'F:\DB\FDBEO_Jinshi\E9_JinShi_log.ldf',
STATS = 10, REPLACE

数据还原
SqlConnection conn = new SqlConnection(ConnectionString);
if (this.txtPlace.Text != "")
{
try
{
string P_Str_cmdtxt = "USE master DECLARE tb CURSOR LOCAL FOR SELECT 'Kill '+ CAST(Spid AS VARCHAR) FROM master.dbo.sysprocesses";
P_Str_cmdtxt += " WHERE dbid=DB_ID('db_GoodsManage') DECLARE @s nvarchar(1000) OPEN tb FETCH tb INTO @s";
P_Str_cmdtxt += " WHILE @@FETCH_STATUS = 0 BEGIN EXEC (@s) FETCH tb INTO @s END CLOSE tb DEALLOCATE tb";
P_Str_cmdtxt += " RESTORE DATABASE db_GoodsManage FROM disk='" + txtPlace.Text.Trim() + "'";

conn.Open();
SqlCommand cmd = new SqlCommand(P_Str_cmdtxt, conn);
cmd.ExecuteNonQuery();
MessageBox.Show("数据还原成功");

}
catch
{
MessageBox.Show("数据还原失败");
return;
}
finally
{
conn.Close();
}

数据同步

SqlConnection conn = new SqlConnection(ConnectionString);
try
{
if ((txtPlace.Text.Trim() != "") && (txtBakName.Text.Trim() != ""))
{
string cmdtxt = "backup database db_GoodsManage to disk='" + txtPlace.Text.Trim() + "\\" + txtBakName.Text.Trim()+ ".bak'";

conn.Open();
SqlCommand cmd = new SqlCommand(cmdtxt,conn);
cmd.ExecuteNonQuery();
MessageBox.Show("备份成功");
return;
}
else
{
MessageBox.Show("备份失败");
return;
}
}
catch(Exception ee)
{
MessageBox.Show("备份失败"+ee.ToString());
return;
}
finally
{
conn.Close();
}