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   comp.databases.oracle.server      Oracle Sysadmins question their careers      44,300 messages   

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   Message 44,088 of 44,300   
   Peter Davoren to Maxim Demenko   
   Re: rman backup should be smaller than t   
   30 Jun 22 10:18:04   
   
   From: peterdavorenimmaculate@gmail.com   
      
   On Wednesday, November 14, 2007 at 1:20:21 PM UTC-8, Maxim Demenko wrote:   
   > fitzj...@cox.net schrieb:   
   > > On Nov 14, 10:33 am, newhorizon  wrote:   
   > >> I am glad put the command for the rman backup.   
   > >>   
   > >> I really appreciate the comments on adding the achivelog in the   
   > >> backupset.   
   > >>   
   > >> What are your thoughts about shrinking the tables before the backup ?   
   > >    
   > > I can't see that such an act would benefit you in terms of the backup   
   > > size. A shrink will only take away unused space (that above the HWM),   
   > > not free space located below the high water mark, so you might save a   
   > > few blocks of space per table, but it likely won't be appreciable.   
   > >    
   > > I can't recommend it, but others may have differing opinions.   
   > >    
   > >    
   > > David Fitzjarrell   
   > >   
   > I agree with your recommendation, however, if you refer to shrink in    
   > sense of "ALTER TABLE ... SHRINK ...", then it does free space below HWM .   
   > Best regards   
   > Maxim   
      
      
      
      
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