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 Backup and Recovery  |  Question 32 of 37    Print  
Types of Backup
What are different types of backup? (Hot, Cold, logical, Physical) Explain in detail.


  
Total Answers and Comments: 2 Last Update: May 01, 2008     Asked by: Pragati.rch 
  
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February 29, 2008 10:32:51   #1  
ayubfkhan Member Since: February 2008   Contribution: 1    

RE: Types of Backup
Hot backups are when database is up and running you take backup(DB has to be in archivelog mode in order to do that.) Cold backups are shutdown the database and copy datafiles, control files and save them some place safer(on a different server) Good dba should do that atleast once a month. When you rman backups benefit is that it only backsup blocks that have been used, empty data does not get backed up. This is very efficient as far as space issues go.
 
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May 01, 2008 10:26:47   #2  
suchoudh Member Since: May 2008   Contribution: 2    

RE: Types of Backup
logical backups are export dumps
 
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 Related Questions

A full backup is an operating system backup of all data files, on-line redo log  files  and  control  file  that  constitute  ORACLE  database  and the parameter. 
Latest Answer : Full backup means it having datafiles, controlfile and parameter file. ...
Tags : Backup

No. 
Latest Answer : NO, we can't. cuz Full Backup means consistent backup and we can take this backup only when our database is close. ...

A   Partial  Backup  is any operating system backup short of a full backup, taken while the database is open or shut down. 
Latest Answer : A partial backup is an operating system backup of part of a database. The backup of an individual tablespace's datafiles or the backup of a control file are examples of partial backups. Partial backups are useful only when the database is in ARCHIVELOG ...
Tags : Backup

What  are  the  advantages of operating a database in ARCHIVELOG mode over operating it in NO ARCHIVELOG mode ?
Complete database recovery from disk failure is possible only in ARCHIVELOG mode.Online database backup is possible only in ARCHIVELOG     mode. 

Latest Answer : if we don;t have any backup of Controlfile...then we have to use create controlfile command.. ...
Read Answers (2) | Asked by : GAURAV
Tags : Backup

Latest Answer : We can perform cold backup in unix by shutting down the database in proper mode so the control file will in consistent state and after that u can perform backing up all database files.I hot back we can perform by the stmt >alter tablespace begin backup;Then ...
Read Answers (1) | Asked by : Sameer
Tags : Backup

Latest Answer : use CATALOG command ...
Read Answers (1) | Asked by : manoj
Tags : Backup

You can take a coldbackup from solaris and use it on windows NT?A) YesB) Yes, if RMAN backup performed from NT serverC) Yes, after running RMAN convertD) No
Tags : Backup

View Question | Asked by : anbarasan23
Tags : Backup

What are different types of backup? (Hot, Cold, logical, Physical) Explain in detail. 
Latest Answer : logical backups are export dumps ...
Tags : Backup


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