[英]Backing up a SQL Server database from hard disk with stored procedures?
我可以使用以下方法備份硬盤上的數據庫:
void BackUp(string ConnectionString, string DatabaseFullPath, string backUpPath)
{
progressBar1.Value = 0;
using (SqlConnection con = new SqlConnection(ConnectionString))
{
con.Open();
string UseMaster = "USE master";
SqlCommand UseMasterCommand = new SqlCommand(UseMaster, con);
UseMasterCommand.ExecuteNonQuery();
progressBar1.Value += 25;
string Alter1 = @"ALTER DATABASE [" + DatabaseFullPath + "] SET Single_User WITH Rollback Immediate";
SqlCommand Alter1Cmd = new SqlCommand(Alter1, con);
Alter1Cmd.ExecuteNonQuery();
progressBar1.Value += 25;
string Restore = @"BACKUP DATABASE [" + DatabaseFullPath + "] TO DISK = N'" + backUpPath + @"' WITH NOFORMAT, NOINIT, NAME = N'" + DatabaseFullPath + "-Full Database Backup', SKIP, NOREWIND, NOUNLOAD, STATS = 10";
SqlCommand RestoreCmd = new SqlCommand(Restore, con);
RestoreCmd.ExecuteNonQuery();
progressBar1.Value += 25;
string Alter2 = @"ALTER DATABASE [" + DatabaseFullPath + "] SET Multi_User";
SqlCommand Alter2Cmd = new SqlCommand(Alter2, con);
Alter2Cmd.ExecuteNonQuery();
progressBar1.Value += 25;
labelReport.Text = "Successful";
}
}
並且,如何將其轉換為存儲過程?
(我是SQL Server的新手)
如果您的目的是將備份任務完全封裝在存儲過程中,以便可以從C#執行,那么您是否可以考慮使用SQL Server管理對象 (SMO)? 這些對象使您能夠以編程方式訪問SQL Server管理任務,例如執行備份。 在這里查看第二個示例: http : //msdn.microsoft.com/en-us/library/ms162133.aspx
編輯:但是要回答這個問題,您可以按照以下對我有用的示例進行操作:
CREATE PROCEDURE BackupDatabase
(
@databaseName sysname,
@backupPath varchar(260)
)
AS
BEGIN
BACKUP DATABASE @databaseName
TO DISK = @backupPath
WITH FORMAT;
END
GO
叫做
DECLARE @return_value int
EXEC @return_value = [dbo].[BackupDatabase]
@databaseName = play,
@backupPath = N'c:\backup\play.bak'
SELECT 'Return Value' = @return_value
GO
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