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HomeDatabaseMysql Tutorial自动备份数据库并发送邮件报告数据库

最近在一个做企业的一个内部系统,数据库采用的是SQL2000,为了保证数据的安全性,需要每天下班之后做数据备份,并且通过邮件的方式通知管理员备份情况。备份数据库很简单,用SQL代理建立一个作业,每天定时备份数据库即可,通过SQL2000来发邮件的话,在网上

   最近在一个做企业的一个内部系统,数据库采用的是SQL2000,,为了保证数据的安全性,需要每天下班之后做数据备份,并且通过邮件的方式通知管理员备份情况。备份数据库很简单,用SQL代理建立一个作业,每天定时备份数据库即可,通过SQL2000来发邮件的话,在网上找了些资料,发现有多种方式可以采用。

  一、通过SQL Mail

  SQL Mail 提供了一种从 Microsoft SQL Server 发送和阅读电子邮件的简单方法。原理是通过调用服务器上面的 MAPI 子系统来进行邮件发送,所以服务器上面需要安装诸如 Microsoft Outlook(不能是Outlook ExPRess) 之类的 MAPI 客户端,而且在发送邮件的时候,Outlook必须处于打开的状态。具体的设置方法可以通过网上查询。

  二、使用CDONTS

  通过调用本机的SMTP服务来发送邮件,所以服务器上必须安装IIS和SMTP。相应的存储过程为

  CREATE PROCEDURE [dbo].[sp_send_cdontsmail]

  @From varchar(100),

  @To varchar(100),

  @Subject varchar(100),

  @Body varchar(4000),

  @CC varchar(100) = null,

  @BCC varchar(100) = null

  AS

  Declare @MailID int

  Declare @hr int

  EXEC @hr = sp_OACreate 'CDONTS.NewMail', @MailID OUT

  EXEC @hr = sp_OASetProperty @MailID, 'From',@From

  EXEC @hr = sp_OASetProperty @MailID, 'Body', @Body

  EXEC @hr = sp_OASetProperty @MailID, 'BCC',@BCC

  EXEC @hr = sp_OASetProperty @MailID, 'CC', @CC

  EXEC @hr = sp_OASetProperty @MailID, 'Subject', @Subject

  EXEC @hr = sp_OASetProperty @MailID, 'To', @To

  EXEC @hr = sp_OAMethod @MailID, 'Send', NULL

  EXEC @hr = sp_OADestroy @MailID

  调用方法:

  exec sp_send_cdontsmail 'someone@shouji138.com','someone2@hks8.com','测试邮件标题','这里是邮件内容,推荐一个好的小说站,好看书吧,'

  三、使用CDOSYS

  微软已经在 Windows 2000、Windows xp 以及 Windows 2003 中淘汰了 CDONTS,所以使用CDOSYS是目前最好的解决方案。使用CDOSYS可以使用远程的SMTP服务器来发送邮件,我们通过测试163网易的免费邮箱,可以正常发送邮件,相应的存储过程如下:

  CREATE PROCEDURE sys_sendmail @To varchar(100) , @Bcc varchar(500), @Subject varchar(400)=" ",

  @Body varchar(4000) =" "

  AS

  Declare @smtpserver varchar(50) --SMTP服务器地址

  Declare @smtpusername varchar(50) --SMTP服务器用户名

  Declare @smtpuserpassWord varchar(50) --SMTP服务器密码

  set @smtpserver = 'smtp.163.com'

  set @smtpusername = 'yourname@163.com' --这里设置成你的163邮箱用户名

  set @smtpuserpassword = 'password' --这里设置成你的163邮箱密码

  Declare @object int

  Declare @hr int

  EXEC @hr = sp_OACreate 'CDO.Message', @object OUT

  EXEC @hr = sp_OASetProperty @object, 'Configuration.fields("").Value','2'

  EXEC @hr = sp_OASetProperty @object, 'Configuration.fields("").Value', @smtpserver

  --下面三条语句是smtp验证,如果服务器需要验证,则必须要这三句,你需要修改用户名和密码

  EXEC @hr = sp_OASetProperty @object, 'Configuration.fields("").Value','1'

  EXEC @hr = sp_OASetProperty @object, 'Configuration.fields("").Value',@smtpusername

  EXEC @hr = sp_OASetProperty @object, 'Configuration.fields("").Value',@smtpuserpassword

  EXEC @hr = sp_OAMethod @object, 'Configuration.Fields.Update', null

  EXEC @hr = sp_OASetProperty @object, 'To', @To

  EXEC @hr = sp_OASetProperty @object, 'Bcc', @Bcc

  EXEC @hr = sp_OASetProperty @object, 'From', @smtpusername

  EXEC @hr = sp_OASetProperty @object, 'Subject', @Subject

  EXEC @hr = sp_OASetProperty @object, 'TextBody', @Body

  EXEC @hr = sp_OAMethod @object, 'Send', NULL

  --判断出错

  IF @hr 0

  BEGIN

  EXEC sp_OAGetErrorInfo @object

  print 'failed'

  return @object

  END

  PRINT 'success'

  EXEC @hr = sp_OADestroy @object

  GO

  调用存储过程发送邮件:exec sys_sendmail 'someone@shouji138.com','someone2@hks8.com','测试邮件标题','这里是邮件内容,手机主题,'

  从以上三种方法的优缺点比较来看,我们当然采取第三种方法,不需要在服务器上装别的组件和程序。我们可以在SQL代理中建立一个作业,调度设为每天下午6点,执行的数据库备份语句和发送邮件的SQL如下:

  declare @dbname varchar(50)

  set @dbname = 'dbtest' --设置数据库名

  declare @filename nvarchar(100)

  declare @time datetime

  set @time = getdate()

  set @filename= 'D:数据库自动备份'+@dbname+substring(replace(replace(replace(CONVERT(varchar, @time, 120 ),'-',''),' ',''),':',''),1,14 )+'.bak'

  --print @filename

  BACKUP DATABASE dbtest TO DISK = @filename WITH NOINIT, NOUNLOAD, NAME = N'BIS_data_backup', NOSKip , STATS = 10, NOFORMAT

  --下面获取备份之后文件的大小

  declare @size int

  declare @sizeM decimal (5, 2)

  select top 1 @size=backup_size

  from msdb.dbo.backupset

  where database_name = @dbname

  order by backup_start_date desc

  set @sizeM = CAST(@size as float)/1024/1024

  --print @sizeM

  --邮件内容

  declare @content varchar(2000)

  set @content='数据库自动备份成功。

  数据库名:'+@dbname+'

  备份文件名:'+@filename+'

  备份文件大小:'+convert(varchar,@sizeM)+'M

  备份时间:'+CONVERT(varchar, @time, 120 )+'

  这是一封系统自动发出的邮件,用来每天报告数据库自动备份情况,请不要直接回复。'

  --print @content

  --发送邮件

  EXECUTE dbtest.dbo.sys_sendmail 'dba@hks8.com','dba@shouji138.com',

  '数据库自动备份日报',@content

  go

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