【Amadeus原创】SQL Server数据库备份、差异备份、日志备份脚本

1，sp脚本

USE [master]
GO
/****** Object: StoredProcedure [dbo].[sp_BackupDatabase] Script Date: 2021/10/22 10:04:28 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

-- Parameter1: 备份类型 F=全部, D=差异, L=日志

ALTER PROCEDURE [dbo].[sp_BackupDatabase]
@backupType CHAR(1) AS
BEGIN
SET NOCOUNT ON; declare @filepath_backup varchar(100) declare @dateTime varchar(30),@del_time_stamp varchar(50) DECLARE @sqlCommand NVARCHAR(1000) DECLARE @sourcePath nvarchar(max) DECLARE @destionationPath nvarchar(max) DECLARE @cmdStr nvarchar(max) ---创建数据库对应文件夹
EXECUTE master.dbo.xp_create_subdir N'C:\Database_BackUp\Full'
EXECUTE master.dbo.xp_create_subdir N'C:\Database_BackUp\Difference'
EXECUTE master.dbo.xp_create_subdir N'C:\Database_BackUp\Log_Bak'

IF @backupType = 'F'
set @filepath_backup='C:\Database_BackUp\Full'
IF @backupType = 'D'
set @filepath_backup='C:\Database_BackUp\Difference'
IF @backupType = 'L'
set @filepath_backup='C:\Database_BackUp\Log_Bak'

SET ANSI_WARNINGS OFF
SET @dateTime = replace(convert(varchar,current_timestamp, 112)+'_'+convert(varchar,current_timestamp, 108),':','') ----删除超过14天的备份文件
DECLARE @delete_time datetime
set @delete_time = getdate() -14

EXECUTE master.dbo.xp_delete_file 0,N'C:\Database_BackUp',N'trn',@delete_time,1
EXECUTE master.dbo.xp_delete_file 0,N'C:\Database_BackUp',N'bak',@delete_time,1

SELECT @dateTime = replace(convert(varchar,current_timestamp, 112)+'_'+convert(varchar,current_timestamp, 108),':','') declare db_info cursor for
SELECT NAME,recovery_model FROM MASTER.SYS.databases where state = 0 ---只处理online的数据库
and name in ('OperationSystem') ----填写需要备份的数据库

declare @databaseName nvarchar(128) declare @recovery_model int
OPEN db_info fetch next from db_info into @databaseName,@recovery_model
while @@fetch_status=0
Begin

---recovery_model 1 : FULL 2 : BULK_LOGGED 3:SIMPLE

IF @backupType = 'F'
begin
SET @sqlCommand = 'BACKUP DATABASE '+ @databaseName +' TO DISK = '''+ @filepath_backup + ''+ @databaseName +'_Full_'+@dateTime+'.BAK'' with STATS = 10, INIT, COMPRESSION, CHECKSUM '
set @sourcePath = @filepath_backup + ''+ @databaseName +'_Full_'+@dateTime+'.BAK'
end
IF @backupType = 'D' and @databaseName not in ('master','msdb','model') begin
SET @sqlCommand = 'BACKUP DATABASE '+ @databaseName +' TO DISK = '''+ @filepath_backup + ''+ @databaseName + '_Diff_' + @dateTime + '.BAK '' WITH DIFFERENTIAL, STATS = 10, INIT, COMPRESSION'
set @sourcePath = @filepath_backup + ''+ @databaseName +'_Diff_'+@dateTime+'.BAK'
end
IF @backupType = 'L' and @recovery_model <> 3 and @databaseName not in ('master','msdb','model') begin
SET @sqlCommand = 'BACKUP LOG '+ @databaseName +' TO DISK = '''+ @filepath_backup + '' + @databaseName +'_Log_' + @dateTime + '.TRN'' with STATS = 10, INIT, COMPRESSION'
set @sourcePath = @filepath_backup + ''+ @databaseName +'_Log_'+@dateTime+'.TRN'
end
print @sqlCommand

EXECUTE sp_executesql @sqlCommand

set @destionationPath = REPLACE(@sourcePath,'C:\Database_BackUp','x:') /* exec sp_configure 'show advanced options', 1 --允许配置高级选项
reconfigure --重新配置
exec sp_configure 'xp_cmdshell', 1 --启用xp_cmdshell
reconfigure --重新配置
--配置共享路径用户名和密码
exec master..xp_cmdshell 'net use x: \\Server-QC-DB2.zt.com\Database_BackUp P@ssw0rd /user:dbbackuper'
--exec sp_configure 'xp_cmdshell', 0 --执行完成后出于安全考虑可以将xp_cmdshell关闭 */
set @cmdStr = 'exec master..xp_cmdshell ''copy '+@sourcePath+' '+@destionationPath+''''
EXEC(@cmdStr) fetch next from db_info into @databaseName,@recovery_model
End

close db_info deallocate db_info PRINT '-- Backup completed successfully at '+convert(varchar, getdate(), 120) SET ANSI_WARNINGS ON
END

2，SQL agent任务指令：

[dbo].[sp_BackupDatabase] 'F'

3，别忘了每周agent任务，跑一下日志的收缩

USE OperationSystem; GO

ALTER DATABASE OperationSystem SET RECOVERY SIMPLE; --设置简单恢复模式

GO

DBCC SHRINKFILE (OperationSystem_log, 1); GO

ALTER DATABASE OperationSystem SET RECOVERY FULL; --恢复为原模式

GO