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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