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Oracle OCP 1Z0 053 Q608(User-managed Backup)

原创 Oracle 作者:abstractcyj 时间:2016-04-01 08:37:02 0 删除 编辑
608.You are managing a 24*7 database. The backup strategy for the database is to perform
user-managed backups.
Identify two prerequisites to perform the backups. (Choose two.)
A. The database must be opened in restricted mode.
B. The database must be configured to run in ARCHIVELOG mode.
C. The tablespaces are required to be in backup mode before taking the backup.
D. The tablespaces are required to be in read-only mode before taking the backup
Answer: BC


参考:http://blog.csdn.net/rlhua/article/details/11850629
        https://docs.oracle.com/cd/B10501_01/server.920/a96572/osbackups.htm#10014


用户管理备份:备份表空间步骤:
1. 将表空间置于备份模式
   
SQL> ALTER TABLESPACE users BEGIN BACKUP;
 
2. 拷贝数据文件
% cp /oracle/dbs/tbs_21.f /oracle/backup/tbs_21.backup

3. 结束表空间备份模式
SQL> ALTER TABLESPACE users END BACKUP;



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曾从事java方向开发多年。近年已经转入数据库方向。主要擅长SQL优化,Oracle数据库问题诊断,Oracle备份与恢复等。服务于医药物流,医院等行业

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