在C#中運用SQLDMO備份和恢複Microsoft SQL Server資料庫
SQLDMO(SQL Distributed Management Objects,SQL分布式管理對象)封裝了Microsoft SQL Server資料庫中的對象。SQLDMO是Microsoft SQL Server中企業管理器所使用的應用程式接口,是以它可以執行很多功能,其中當然也包括對資料庫的備份和恢複。
SQLDMO由Microsoft SQL Server自帶的SQLDMO.dll提供,由于SQLDMO.dll是一個COM對象,是以大家在用之前必須在.NET項目中添加對它的引用,如下圖所示:
下面是用C#語言書寫的用于Microsoft SQL Server資料庫備份和恢複的類:
using System;
namespace DbService
{
/// <summary>
/// DbOper類,主要應用SQLDMO實作對Microsoft SQL Server資料庫的備份和恢複
/// </summary>
public sealed class DbOper
{
/// <summary>
/// DbOper類的構造函數
/// </summary>
private DbOper()
{
}
/// <summary>
/// 資料庫備份
/// </summary>
public static void DbBackup()
{
SQLDMO.Backup oBackup = new SQLDMO.BackupClass();
SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
try
{
oSQLServer.LoginSecure = false ;
oSQLServer.Connect( " localhost " , " sa " , " 1234 " );
oBackup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;
oBackup.Database = " Northwind " ;
oBackup.Files = @" d:\Northwind.bak " ;
oBackup.BackupSetName = " Northwind " ;
oBackup.BackupSetDescription = " 資料庫備份 " ;
oBackup.Initialize = true ;
oBackup.SQLBackup(oSQLServer);
}
catch
{
throw ;
}
finally
{
oSQLServer.DisConnect();
}
}
/// <summary>
/// 資料庫恢複
/// </summary>
public static void DbRestore()
{
SQLDMO.Restore oRestore = new SQLDMO.RestoreClass();
SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
try
{
oSQLServer.LoginSecure = false ;
oSQLServer.Connect( " localhost " , " sa " , " 1234 " );
oRestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database;
oRestore.Database = " Northwind " ;
oRestore.Files = @" d:\Northwind.bak " ;
oRestore.FileNumber = 1 ;
oRestore.ReplaceDatabase = true ;
oRestore.SQLRestore(oSQLServer);
}
catch
{
throw ;
}
finally
{
oSQLServer.DisConnect();
}
}
}
}
轉載于:https://www.cnblogs.com/Jaylong/archive/2011/06/10/C12.html