数据备份后 清空表 请教大侠们,我想在sql数据库的一个表a 定期进行备份,备份成功后就自动清空表,因为表隔一段时间就太大了,需要定期备份后清空一下。我是新手,多谢了。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 -- 创建自动备份数据库的作业USE msdbGOBEGIN TRANSACTIONDECLARE @Database VarChar(20), @BackupDatabase VarChar(30), @description VarChar(50), @step_name VarChar(50)DECLARE @command VarChar(250), @ScheduledBackupName VarChar(50), @RAISERRORMESS VarChar(250), @ActiveStartTime IntegerDECLARE @JobID BINARY(16),@ReturnCode INTSET @Database = N'你的数据库名称'-- 数据库名称SET @BackupDatabase = N'Backup' + @DatabaseSET @RAISERRORMESS = N'无法导入作业“' + @BackupDatabase + '”,因为已经有相同名称的多重服务器作业。'SET @description = N'备份' + @Database + '数据库'SET @step_name = N'Job' + @BackupDatabaseSET @command = N'EXEC pro_AutoBackup ''' + @Database + ''''SET @ScheduledBackupName = N'Scheduled' + @BackupDatabaseSET @ActiveStartTime = 142700-- 每天的备份时间SET @ReturnCode = 0 IF (SELECT COUNT(*) FROM msdb.dbo.syscategories WHERE name = N'Database Maintenance') < 1 EXECUTE msdb.dbo.sp_add_category @name = N'Database Maintenance'-- 删除同名的警报(如果有的话)。SELECT @JobID = job_id FROM msdb.dbo.sysjobs WHERE (name = @BackupDatabase) IF (@JobID IS NOT NULL) BEGIN -- 检查此作业是否为多重服务器作业 IF (EXISTS (SELECT * FROM msdb.dbo.sysjobservers WHERE (job_id = @JobID) AND (server_id <> 0))) BEGIN -- 已经存在,因而终止脚本 RAISERROR (@RAISERRORMESS, 16, 1) GOTO QuitWithRollback END ELSE -- 删除[本地]作业 EXECUTE msdb.dbo.sp_delete_job @job_name = @BackupDatabaseSELECT @JobID = NULLENDBEGIN -- 添加作业EXECUTE @ReturnCode = msdb.dbo.sp_add_job @job_id = @JobID OUTPUT , @job_name = @BackupDatabase, @owner_login_name = N'sa',@description = @description, @category_name = N'Database Maintenance', @enabled = 1, @notify_level_email = 0,@notify_level_page = 0, @notify_level_netsend = 0, @notify_level_eventlog = 2, @delete_level= 0IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback -- 添加作业步骤EXECUTE @ReturnCode = msdb.dbo.sp_add_jobstep @job_id = @JobID, @step_id = 1, @step_name = @step_name, @command = @command,@database_name = @Database, @server = N'', @database_user_name = N'', @subsystem = N'TSQL', @cmdexec_success_code = 0,@flags = 0, @retry_attempts = 0, @retry_interval = 1, @output_file_name = N'', @on_success_step_id = 0,@on_success_action = 1, @on_fail_step_id = 0, @on_fail_action = 2IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback EXECUTE @ReturnCode = msdb.dbo.sp_update_job @job_id = @JobID, @start_step_id = 1 IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback -- 添加作业调度EXECUTE @ReturnCode = msdb.dbo.sp_add_jobschedule @job_id = @JobID, @name = @ScheduledBackupName, @enabled = 1,@freq_type = 4, @active_start_date = 20061028, @active_start_time = @ActiveStartTime, @freq_interval = 1,@freq_subday_type = 1, @freq_subday_interval = 0, @freq_relative_interval = 0, @freq_recurrence_factor = 0,@active_end_date = 99991231, @active_end_time = 235959IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback -- 添加目标服务器EXECUTE @ReturnCode = msdb.dbo.sp_add_jobserver @job_id = @JobID, @server_name = N'(local)' IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollbackENDCOMMIT TRANSACTIONGOTO EndSave QuitWithRollback:IF (@@TRANCOUNT > 0) ROLLBACK TRANSACTION EndSave:GO 在上面的JOB加个类似DELETE TALBE 之类的语句就OK了。 1、“企业管理器”->“管理”->“作业”右键新建作业,记得把“SQL Server 代理”开启,不然作业无法执行。 关于SQL SERVER2005 远程连接的问题 求sql语句写法? 表连接 查询 和 多表一起查询的区别 |zyciis| 求一个分页存储过程 我的表里面是没有主键的 然后要求按日期进行排序 第二贴 刚才没有看清楚就结了 各位高手,看一下病:Quality Center(9.0)连接不到服务器。 多条件查询如何建立索引 求一条查询语句,50分:) 如何进行跨数据库操作 请教一个关于update的问题(SQL SERVER) 在局域网中,要如何设置Ms SQL Server才能实现对远程服务器上数据库表的检索或更新? 如何去字段内的回车问题 急,求一存储过程 统计
USE msdb
GO
BEGIN TRANSACTION
DECLARE @Database VarChar(20), @BackupDatabase VarChar(30), @description VarChar(50), @step_name VarChar(50)
DECLARE @command VarChar(250), @ScheduledBackupName VarChar(50), @RAISERRORMESS VarChar(250), @ActiveStartTime Integer
DECLARE @JobID BINARY(16),@ReturnCode INT
SET @Database = N'你的数据库名称'-- 数据库名称
SET @BackupDatabase = N'Backup' + @Database
SET @RAISERRORMESS = N'无法导入作业“' + @BackupDatabase + '”,因为已经有相同名称的多重服务器作业。'
SET @description = N'备份' + @Database + '数据库'
SET @step_name = N'Job' + @BackupDatabase
SET @command = N'EXEC pro_AutoBackup ''' + @Database + ''''
SET @ScheduledBackupName = N'Scheduled' + @BackupDatabase
SET @ActiveStartTime = 142700-- 每天的备份时间
SET @ReturnCode = 0
IF (SELECT COUNT(*) FROM msdb.dbo.syscategories WHERE name = N'Database Maintenance') < 1
EXECUTE msdb.dbo.sp_add_category @name = N'Database Maintenance'
-- 删除同名的警报(如果有的话)。
SELECT @JobID = job_id FROM msdb.dbo.sysjobs WHERE (name = @BackupDatabase)
IF (@JobID IS NOT NULL)
BEGIN
-- 检查此作业是否为多重服务器作业
IF (EXISTS (SELECT * FROM msdb.dbo.sysjobservers WHERE (job_id = @JobID) AND (server_id <> 0)))
BEGIN
-- 已经存在,因而终止脚本
RAISERROR (@RAISERRORMESS, 16, 1)
GOTO QuitWithRollback
END
ELSE
-- 删除[本地]作业
EXECUTE msdb.dbo.sp_delete_job @job_name = @BackupDatabase
SELECT @JobID = NULL
END
BEGIN
-- 添加作业
EXECUTE @ReturnCode = msdb.dbo.sp_add_job @job_id = @JobID OUTPUT , @job_name = @BackupDatabase, @owner_login_name = N'sa',
@description = @description, @category_name = N'Database Maintenance', @enabled = 1, @notify_level_email = 0,
@notify_level_page = 0, @notify_level_netsend = 0, @notify_level_eventlog = 2, @delete_level= 0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
-- 添加作业步骤
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobstep @job_id = @JobID, @step_id = 1, @step_name = @step_name, @command = @command,
@database_name = @Database, @server = N'', @database_user_name = N'', @subsystem = N'TSQL', @cmdexec_success_code = 0,
@flags = 0, @retry_attempts = 0, @retry_interval = 1, @output_file_name = N'', @on_success_step_id = 0,
@on_success_action = 1, @on_fail_step_id = 0, @on_fail_action = 2
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXECUTE @ReturnCode = msdb.dbo.sp_update_job @job_id = @JobID, @start_step_id = 1
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
-- 添加作业调度
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobschedule @job_id = @JobID, @name = @ScheduledBackupName, @enabled = 1,
@freq_type = 4, @active_start_date = 20061028, @active_start_time = @ActiveStartTime, @freq_interval = 1,
@freq_subday_type = 1, @freq_subday_interval = 0, @freq_relative_interval = 0, @freq_recurrence_factor = 0,
@active_end_date = 99991231, @active_end_time = 235959
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
-- 添加目标服务器
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobserver @job_id = @JobID, @server_name = N'(local)'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
END
COMMIT TRANSACTION
GOTO EndSave
QuitWithRollback:
IF (@@TRANCOUNT > 0) ROLLBACK TRANSACTION
EndSave:
GO
右键新建作业,记得把“SQL Server 代理”开启,不然作业无法执行。