SELECT  ar.replica_server_name AS [副本名称] ,
       ar.availability_mode_desc as [同步模式],
        DB_NAME(dbr.database_id) AS [数据库名称] ,
        dbr.database_state_desc AS [数据库状态],
        dbr.synchronization_state_desc AS [同步状态],
        dbr.synchronization_health_desc AS [同步健康状态],
        ISNULL(CASE dbr.redo_rate
                 WHEN 0 THEN -1
                 ELSE CAST(dbr.redo_queue_size AS FLOAT) / dbr.redo_rate
               END, -1) AS [Redo延迟(秒)] ,
        ISNULL(CASE dbr.log_send_rate
                 WHEN 0 THEN -1
                 ELSE CAST(dbr.log_send_queue_size AS FLOAT)
                      / dbr.log_send_rate
               END, -1) AS [Log传送延迟(秒)] ,
        dbr.redo_queue_size AS [Redo等待队列(KB)] ,
        dbr.redo_rate AS [Redo速率(KB/S)] ,
        dbr.log_send_queue_size AS [Log传送等待队列(KB)] ,
        dbr.log_send_rate AS [Log传送速率(KB\S)],
         case when dbr.log_send_rate = 0 then 1 else dbr.log_send_queue_size/dbr.log_send_rate end [LOG队列预估传输时间（秒）]
FROM    [master].sys.availability_replicas AS AR
        INNER JOIN [master].sys.dm_hadr_database_replica_states AS dbr 
        ON ar.replica_id = dbr.replica_id
WHERE   dbr.redo_queue_size IS NOT NULL

USE master;  
GO  
EXEC sp_configure 'show advanced option', '1'; 

RECONFIGURE;  
EXEC sp_configure;  

-- To enable the feature.
EXEC sp_configure 'xp_cmdshell', 1
GO
-- To update the currently configured value for this feature.
RECONFIGURE
GO

----完整备份
Declare @FullFileName Varchar(200)
Declare @FileFlag varchar(20)
Set @FileFlag=REPLACE(CONVERT(VARCHAR(10), GETDATE(), 120), '-','')+ REPLACE(CONVERT(VARCHAR(10), GETDATE(), 8), ':', '')
Set @FullFileName='文档路径\数据库名字_FULL'+@FileFlag+'.bak'
BackUp DataBase 数据库名字 To Disk=@FullFileName with init
----差异备份
Declare @DiffFileName varchar(200)
Declare @FileFlag varchar(200)
Set @FileFlag=REPLACE(CONVERT(VARCHAR(10), GETDATE(), 120), '-','')+ REPLACE(CONVERT(VARCHAR(10), GETDATE(), 8), ':', '')
Set @DiffFileName='文档路径\数据库名字_Diff_'+@FileFlag+'.bak'
BackUp DataBase 数据库名字 To Disk=@DiffFileName with init,differential 
----事务日志备份
Declare @FileName Varchar(200)
Declare @FileFlag varchar(20)
Set @FileFlag=REPLACE(CONVERT(VARCHAR(10), GETDATE(), 120), '-','')+ REPLACE(CONVERT(VARCHAR(10), GETDATE(), 8), ':', '')
Set @FileName='文档路径\数据库名字_Trn_'+@FileFlag+'.trn'
BackUp Log 数据库名字 To Disk=@FileName with init

RESTORE FILELISTONLY  from disk='D:\BACKUP\XXXXX.BAK'  --查看逻辑文件
restore headeronly from disk='D:\BACKUP\XXXXX.BAK'  --查看属性     

----完整备份还原
RESTORE DATABASE 数据库名字 FROM 
DISK = '完整备份的文件'---'TTTTTTT.BAK' 
WITH NORECOVERY, MOVE '数据库名字_Data' TO 'D:\指定路径\数据库名字_Data.mdf',
MOVE '数据库名字_Log' TO 'D:\指定路径\数据库名字_Log.ldf'
 
----差异备份还原
RESTORE DATABASE 数据库名字 FROM 
DISK = '差异备份的文件'------'SSSSSSSSS.BAK' 
WITH NORECOVERY, MOVE '数据库名字_Data' TO 'D:\指定路径\数据库名字_Data.mdf',
MOVE '数据库名字_Log' TO 'D:\指定路径\数据库名字_Log.ldf'
 
----log备份还原
RESTORE Log 数据库名字 
FROM DISK ='事务日志备份的文件' -----'XXXXXXXX.trn'
WITH NORECOVERY

select name FROM msdb.dbo.sysmail_profile

  select cast( record as xml),*  from sys.dm_os_ring_buffers
  where ring_buffer_type='RING_BUFFER_CONNECTIVITY'

RESTORE DATABASE 数据库名字 WITH RECOVERY

sp_add_job
sp_add_jobschedule 
sp_add_jobserver 
sp_add_jobstep 
sp_delete_job 
sp_delete_jobschedule 
sp_delete_jobserver 
sp_delete_jobstep
sp_delete_jobsteplog 
sp_update_job 
sp_update_jobschedule 
sp_update_jobstep