oracle 12c backup and recovery

Oracle Database hot backup and recovery and example, oracle Database Manual Hot Standby (Database opening status) Backup control file: Alter database backup controlfile to '/u01/oradata/prod/con. bak1 '; Back up data files (here p

oracle| Backup | strategy | recovery | data | database SummaryThe recovery of lost database files depends to a large extent on the backup strategy used. Based on the flexibility of recovery, this paper discusses the

Original: Oracle Cold backup and RecoveryThere are three ways Oracle backup and Recovery works: (1) Data pump (EXPDP/IMPDP) (2) Cold backup (3) Rman backup In terms of classification, (

■ Xinmei, Ningbo Electric Power Bureau Database Backup is the premise and basis for data recovery. If there is no data backup, it will be difficult to recover in the event of database problems or disasters. Common Oracle Database faults include statement faults, user process faults, instance faults, user errors, and me

The Oracle tutorial you are looking at is the study of backup and recovery strategies for Oracle databases. The recovery of a missing database file depends to a large extent on the backup strategy used. Based on the flexibility of

A Brief history of Oracle backup and recovery--http://www.searchdatabase.com.cn/showcontent_90388.htm?info=sinaweiboOver the years, there have been significant changes in the way Oracle database backup and recovery has taken place

: to open the database, you must use the RESETLOGS or NORESETLOGS Option SYS @ orcl # alter database open resetlogs;Alter database open resetlogs*Row 3 has an error:ORA-01194: File 1 requires more recovery to maintain consistencyORA-01110: Data File 1:'/Opt/oracle/oradata/ORCL/datafile/o1_mf_system_8no75lqw _. dbf' SYS @ orcl #Try to recover:SYS @ orcl # recover database using

/contlbak. ctl/u02/database/SYBO2SZ/controlf/cntl2SYBO2SZ. ctl Sys @ SYBO2SZ> ho cp/u02/database/SYBO2SZ/backup/hotbak/contlbak. ctl/u02/database/SYBO2SZ/controlf/cntl3SYBO2SZ. ctl Sys @ SYBO2SZ> ho cp/u02/database/SYBO2SZ/backup/hotbak/*. dbf/u02/database/SYBO2SZ/oradata /. Sys @ SYBO2SZ> ho cp/u02/database/SYBO2SZ/backup/hotbak/undotbs */u02/database/SYBO2SZ

failedora-01200:actual file size of 128679 Issmaller than correct size of 340480BlocksOra-01110:data file 2: '/HOME/ORADATA/POWERDES/SYSAUX01.DBF 'Workaround:DD if=/dev/zeroof=/home/oradata/powerdes/sysaux01.dbf bs=8192 count=1 seek=340480 ----------------------------------------------------------------------------------------------------------- -----Original Blog address: http://blog.itpub.net/26230597/viewspace-1484099/Hara Douglas Fir (MCHDBA)-------------------------------------------------

Oracle 10g rman backup and recovery 3 1. rman is actually a backup tool that coordinates this part. It means that the target database, auxiliary database, disk/sbt tape, catalog database/controlfile are connected to the above three databases at the same time to back up to the disk or tape, or recover from the tape or t

on, plus this option must be under the premise of incomplete recoveryTypes of incomplete recoveries:1, based on user interference may archive files and online logs are full, and user requirements to this point stop2, Time-basedRevert to a state that was mistakenly deleted3. SCN There are functions in the database that can convert the SCN and the time betweenDbms_flshback: There are functions to convert the SCN and timeInstance recovery: Instance

Oracle backup recovery detailsI. Backup method:1. In non-archive mode, only cold backup can be performed2. In archive mode, hot backup or cold backup can be used. (Online log files of t

Label:First, why need data backup The main reasons for data loss: 1, media failure. 2, the user's error operation. 3, the server's complete collapse. 4, computer viruses. 5. Unforeseen factors. The fault types in Oracle are divided into the following 4 categories. 　　1. Statement failure: A logical failure to execute a SQL statement procedure can cause a statement failure. If a user writes an invalid SQL st

The ORACLE tutorial is: Research on the backup and recovery policies of Oracle databases. Abstract restoring lost database files depends largely on the backup policy used. Based on the flexibility of recovery, this article discuss

Oracle connection configuration and instance backup and recovery, oracle instance Background: It is impossible for a team to build their own local database for project development. In most cases, the database on the server is used in a unified manner. In this case, remote database connection is required. In addition, y

: ======================================= ==================== RMAN-00569: = = ============= ERROR message STACK follows =============== RMAN-00571: ================================================ =========== Rman-03009:failure of Backup command on Ora_disk_1 channel at 10/28/2013 16:18:54 ora-19602:cannot Backup or copy active File in NoarchivelogMode Rman> Note that the open database cannot be backed up

, 'Jackson ') * ERROR at line 1: ORA-00376: file 6 cannot be read at this time ORA-01110: data file 6: '/u01/app/oracle/oradata/orcl/tbs01.dbf' SQL> select * from v $ recover_file; FILE # ONLINE _ error change # TIME ----------------------------------------------------------- 6 offline file not found 0 SQL> ho cp/tmp/tbs01.dbf/u01/app/oracle/oradata/orcl/tbs01.dbf SQL> recover datafile 6; Media

Oracle Video Tutorial GoalsOracle Video tutorial, wind Brother this set of Oracle Tutorial training learning Oracle Database backup and recovery concepts and fundamentals, including: Oracle Common failure types, the importance of

-------------------------------------------------------------------------------- Oracle Java SQL> insert into t_evan values ('spring '); 1 row created. SQL> commit; Commit complete. SQL> ALTER SYSTEM CHECKPOINT; -- refreshes modified data from the cache to the disk, and updates control files and data files. System altered. SQL> ALTER SYSTEM SWITCH LOGFILE; -- log SWITCH System altered. View al

oracle| Backup | recovery | data | database Oracle database Backup and Recovery ----When we use a database, always want the content of the database is reliable, correct, but due to computer system failures (including machine fai