Sql语句定义job 备份数据库



if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_createjob]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[p_createjob]
GO

create proc p_createBakjob
@jobname varchar(100),             --作业名称
@sql varchar(8000),                --要执行的命令
@serverName sysname='',            --job server名
@dbname sysname='',                --默认为当前的数据库名
@freqtype varchar(6)='day',        --时间周期,month 月,week 周,day 日
@fsinterval int=1,                 --相对于每日的重复次数
@time int=130000                   --开始执行时间,对于重复执行的作业,将从0点到23:59分
as
if isnull(@dbname,'')='' set @dbname=db_name()

--创建作业
exec msdb..sp_add_job @job_name=@jobname

--创建作业步骤
exec msdb..sp_add_jobstep @job_name=@jobname,
        @step_name = '数据处理',
        @subsystem = 'TSQL',
        @database_name=@dbname,
        @command = @sql,
        @retry_attempts = 5, --重试次数
        @retry_interval = 5  --重试间隔

--创建调度
declare @ftype int,@fstype int,@ffactor int
select @ftype=case @freqtype when 'day' then 4
                                        when 'week' then 8
                                        when 'month' then 16 end
        ,@fstype=case @fsinterval when 1 then 0 else 8 end
if @fsinterval<>1 set @time=0
set @ffactor=case @freqtype when 'day' then 0 else 1 end

EXEC msdb..sp_add_jobschedule @job_name=@jobname,
        @name = '时间安排',
        @freq_type=@ftype ,                        --每天,8 每周,16 每月
        @freq_interval=1,                          --重复执行次数
        @freq_subday_type=@fstype,                 --是否重复执行
        @freq_subday_interval=@fsinterval,         --重复周期
        @freq_recurrence_factor=@ffactor,
        @active_start_time=@time                   --下午13:00:00分执行

if @servername=''
set @servername=@@servername
EXEC msdb..sp_add_jobserver @job_name = @jobname,
     @server_name = @servername

go

--调用
--每天执行的作业
exec p_createBakjob @jobname='b8akdb11'
                 ,@sql='exec ProceBakTest'
                 ,@servername=''
                 ,@dbname='test'
                 ,@freqtype='day'
                 ,@time='130000'
                

CREATE PROCEDURE ProceBakTest
 as
BEGIN
      declare @filename varchar(255)
 declare @date datetime
 select @date=getdate()
 select @filename ='D:\test-backup_'+ cast(datepart(yyyy,@date) as varchar )
 +'-'+cast(datepart(mm,@date) as varchar) +'-'+
 cast(datepart(dd,@date) as varchar)+'.bak'
 backup database test to disk =@filename with init
 
END
GO