sqlserver 较大数据库备份方法

Posted 2020-11-10

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DECLARE @CurrentTime VARCHAR(50), @FileName VARCHAR(200),@FileName2 VARCHAR(200)
,@FileName3 VARCHAR(200),@FileName4 VARCHAR(200),@FileName5 VARCHAR(200)
SET @CurrentTime = REPLACE(REPLACE(REPLACE(CONVERT(VARCHAR, GETDATE(), 120 ),\'-\',\'_\'),\' \',\'_\'),\':\',\'\')

        
--(Temp2 数据库完整备份)
SET @FileName = \'F:\\Temp2_FullBackup_Partial1_\' + @CurrentTime+\'.bak\'
SET @FileName2 = \'F:\\Temp2_FullBackup_Partial2_\' + @CurrentTime+\'.bak\'
SET @FileName3 = \'F:\\Temp2_FullBackup_Partial3_\' + @CurrentTime+\'.bak\'
SET @FileName4 = \'F:\\Temp2_FullBackup_Partial4_\' + @CurrentTime+\'.bak\'
SET @FileName5 = \'F:\\Temp2_FullBackup_Partial5_\' + @CurrentTime+\'.bak\'

BACKUP DATABASE [gongwuyuan]
TO 
DISK=@FileName,
DISK=@FileName2,
DISK=@FileName3,
DISK=@FileName4,
DISK=@FileName5
WITH FORMAT

将数据库备份为几份便就分成几个数据组。盘符可指定为任意盘符，还原数据库时候，将所有备份文件一次性添加到备份位置下，如下图