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direct load and direct load unrecoverable

  • From: <genegurevich@xxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 2 Jul 2008 11:41:22 -0500
Helli everyone:

I have been reading information on Don Burleson's site about direct load
unrecoverable as a way to speed up
the load (http://www.remote-dba.net/teas_rem_util18.htm) among other
things. I have never used this parameter
(unrecoverable) in SQL*Loader before and I always though that SQL*Loader in
direct mode does not create any
archived logfiles and therefore if a database needs to be restored, the
tables that were loaded via SQL*Loader
in direct mode won't be restored. After reading this
                                                                                
                                                     
                                                                                
                                                     
                                                                                
                                                     
                                                                                
                                                     
                                                                                
                                                     
                                                                                
                                                     
                                                                                
                                                     
                                                                                
                                                     
 ·     Use unrecoverable.  The unrecoverable option (unrecoverable load data) 
disables the writing of the data to the redo logs.     
 This option is available for direct path loads only                            
                                                     
                                                                                
                                                     
 It seems that a table that was loaded via SQL*Loader with direct mode (but not 
unrecoverable) will be "restorable"                  
 from a backup. Is that correct interpretation?                                 
                                                     
                                                                                
                                                     
                                                                                
                                                     

thank you

Gene Gurevich


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