sql-server - SQL Server备份脚本

Question

我尝试为我的一个非常小的 SQL Server Express 2008 数据库编写备份脚本。 我的要求是每天晚上做一次完整备份，保留最后五个备份。这是我写一篇的尝试，想得到关于我做得是否正确的反馈？ 感谢您的帮助。

    declare @backupfilename nvarchar(100)
    set @backupfilename='c:\...location..\filename_'+convert(varchar(10),getdate(),112) + '.bak'

    BACKUP DATABASE [dbname] TO  DISK = @backupfilename 
    WITH  RETAINDAYS = 5, NOFORMAT, NOINIT,  NAME = N'Full Database Backup Name', NOSKIP,
    NOREWIND, NOUNLOAD,  STATS = 10
    GO
    declare @backupSetId as int
    select @backupSetId = position from msdb..backupset where database_name=N'dbname'
    and backup_set_id=(select max (backup_set_id) from msdb..backupset where 
    database_name=N'dbname' )
    if @backupSetId is null begin raiserror(N'Verify failed. Backup information for database  
    ''dbname'' not found.', 16, 1) end
    RESTORE VERIFYONLY FROM  DISK =@backupfilename  WITH  FILE = @backupSetId,  NOUNLOAD,  NOREWIND
    GO

Answer 1

我强烈推荐Ola's backup stored procedures 。它们得到很好的支持并且非常坚固。如果您觉得使用它们不舒服，您至少可以在编写自己的例程时引用它们。