sqlserver 较大数据库备份方法

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