点击 管理／sql server代理／作业
新建作业：
常规选项卡里,"名称"填写"定时备份数据库"，"启用"前面选"对勾"，"以本地服务器为目标"，
"分类"选择"数据库服务"，
步骤选项卡里，新建步骤，步骤名：备份数据库；类型：Transact-SQL脚本(TSQL);
数据库：要备份的数据库
命令（可同时备份多个数据库）：
DECLARE
@FileName VARCHAR(200),
@CurrentTime VARCHAR(50)
SET @CurrentTime = CONVERT(CHAR(8),GETDATE(),112) + CAST(DATEPART(hh, GETDATE()) AS VARCHAR) + CAST(DATEPART(mi, GETDATE()) AS VARCHAR)
SET @FileName = 'D:\CE_BPS\DataBaseBackup\DPC_TEXT' + @CurrentTime
BACKUP DATABASE [CE_BPS_DPC_TEXT] TO DISK = @FileName WITH NOINIT, NOUNLOAD, NAME = N'CE_BPS_DPC_TEXT-备份', NOSKIP, STATS = 10, NOFORMAT
SET @FileName = 'D:\CE_BPS\DataBaseBackup\DPC_IMAGE' + @CurrentTime
BACKUP DATABASE [CE_BPS_DPC_IMAGE] TO DISK = @FileName WITH NOINIT, NOUNLOAD, NAME = N'CE_BPS_DPC_IMAGE-备份', NOSKIP, STATS = 10,NOFORMAT