oracle database backup and recovery reference 12c

choices for enterprises. Yu sicheng, vice president of Oracle and general manager of technology in Greater China Oracle Database 12c adopts a multi-tenant architecture. By separately managing data content in different tenants, the independence and security required between tenants can be ensured. While retaining the

You must use SYS or SYSTEM to perform incremental export and import. Incremental export: includes three types: (1) "Complete" incremental Export (Complete) // back up the entire database $ Exp user/pwd file =/dir/xxx. dmp log = xxx. log inctype = complete (2) incremental export and export the data changed after the last backup. $ Exp user/pwd file =/dir/xxx. dmp log = xxx. log inctype = incremental (3) Cum

Machine:Select instance_name from v $ instance;Select name from v $ database;Select name from v $ datafile;Log query mode:Archive log list;Shutdown immediate;Startup mount;Change the log archive mode:Alter database archivelog;Alter database open;Alter system archive log current;Select name from v $ archived_log;Open Control file tracking:Alter

Oracle databases have three standard backup methods: Export/Import (EXP/IMP), hot backup, and cold backup. Exporting spare parts is a logical backup, while cold backup and hot backup ar

1. Copy the cold backup data files, log files, and control files to the target folder. 2. Create a pfile of init: $ ORACLE_SID.ora. 1. Copy the cold backup data files, log files, and control files to the target folder. 2. Create a pfile of init: $ ORACLE_SID.ora. 1. Copy the cold backup data files, log files, and control files to the target folder. 2. Cre

long time. Definition and classification of recovery 恢复就是发生故障后，利用已备份的数据文件或控制文件，重新建立一个完整的数据库，恢复分为以下两种类型： Instance Recovery: Oracle automates recovery When an Oracle instance fails Media recovery:

1: create a user Copy codeThe Code is as follows:Create temporary tablespace user_tempTempfile 'd: \ app \ topwqp \ oradata \ orcl \ user_temp.dbf'Size 500 mAutoextend onNext 50 m maxsize 2048 mExtent management local;Create tablespace ts_mydbLoggingDatafile 'd: \ app \ topwqp \ oradata \ orcl \ ts_mydb.dbf'Size 500 mAutoextend onNext 50 m maxsize 2048 mExtent management local;Drop user mydb cascade;Create user mydb identified by mydbDefault tablespace ts_mydbTemporary tablespace user_temp;Grant

Migrating an Oracle database using Rman's level0 backup file-incomplete recovery-20160811Migrating an Oracle database from one machine A to another machine B (same as Linux platform), set to a different path, different instance na

, the target database is the database that needs to be backed up, a recovery directory can register multiple target databases, the command to register the target database is:$>rman Target Internal/password catalog Rman/[email protected];Rman>register database;

will only require a full week of backup and a differential backup of Thursday.　　difference between incremental and differential backups: Incremental backups need to retain data for all incremental backups, and differential backups only need to retain data for the last differential backup.Third, recoveryRecovery is the failure, the use of the backed up data files or control files, re-establish a complete

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