如果您只想在进行特定备份时使用 compress 选项,则可以在需要时将 WITH COMPRESSION 添加到语句中。下面提供了脚本。 如果您只想打开备份压缩默认值,您可以启动SQL Server Management Studio (SSMS)并单击“新建查询”,输入以下命令: EXEC sys.sp_configure N'backup compression d
Learn about compression of SQL Server backups, including restrictions, performance trade-offs, Configuring backup compression, and the compression ratio.
类图示例 UncompressedBackup 总结 在SQL Server 中,备份是保障数据安全的重要措施。尽管压缩备份可以节省存储空间,但对于某些高要求的应用场景,不压缩备份可能更适合。因此,在选择备份策略时,我们需要综合考虑数据规模、恢复时间需求、存储成本和硬件性能等多种因素。希望本文能帮助您更好地理解 SQL Server 的压缩备份与...
-- 以下命令2选1,备份的事务日志能用于恢复误删数据等,根据需求选择是否备份到文件中-- 根据实际情况,替换<DatabaseName>为对应数据库名-- 备份数据库的事务日志到Null设备,即不保存BACKUP LOG [<DatabaseName>]TODISK ='NUL';-- 备份数据库的事务日志到/var/opt/mssql/data/Test.trn文件BACKUP LOG [<Data...
BACKUPDATABASE[MyDb] TODISK=@strSqlCmdWITHINIT ,NOUNLOAD ,NAME=N'MyDb 备份' ,NOSKIP ,STATS=10 ,NOFORMAT 操作如图一: 然后开始执行对数据库的压缩,在步骤中再新建一个作业,步骤名为“压缩数据库”,然后在命令框中输入如下的SQL代码: DECLARE@strSqlVARCHAR(1000) ...
EXEC sp_configure ‘backup compression default‘, ‘1‘ RECONFIGURE WITH OVERRIDE 1. 2. 3. 4. 你还可以通过使用SQL Server管理套件来设置服务器实例属性来激活。在Server Properties 窗口的Database Settings部分,只要点击Compress Backup复选框,这个特性就在服务器实例级别被激活了。
View or configure the backup compression default option In Object Explorer, right-click a server and select Properties. Select the Database settings node. Under Backup and restore, Compress backup shows the current setting of the backup compression default option. This setting determines the server-...
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You can override the server backup compression default by specifying Compress backup or Do not compress backup in any of the following dialog boxes: Back Up Database (Options Page) When backing up a database, you can control backup compression for an individual database, file, or log backup....
2、ateDiff-1ELSEtimeDateDiffENDSETstrSql=D:DataBaseBackDataMyDb_-备份目录及备份的文件头+CONVERT(CHAR(8),DATEADD(week,timeDateDiff,0),112)-完全备份日期+_0100-完全备份时间+完全备份SETstrSqlCmd=strSql+.BAK-备份文件的扩展名BACKUPDATABASEMyDbTODISK=strSqlCmdWITHINIT,NOUNLOAD,NAME=NMyDb备份,NOSK...