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Full Discussion: Update the table using values from a csv file
Top Forums Shell Programming and Scripting Update the table using values from a csv file Post 302814627 by spacebar on Thursday 30th of May 2013 12:06:10 AM
Old 05-30-2013
You could create a Oracle 'external table' linked to your file(a.csv) that contains the data to update with and perform all the updates in one update script or statement, example of external table:

Code:
-- Create oracle external table linked to a flat file(i.e. a.csv)
create table schema.table ( 
  account_num                 varchar2( 16 ),
  account_id                  varchar2( 10 ),
  rpt_num                     varchar2(  6 ),
  report_file_name            varchar2( 64 ) )
organization external (
  type              oracle_loader
  default directory TMP
  access parameters (
    records delimited by newline
    badfile      'accounts.bad'
    discardfile  'accounts.dis'
    logfile      'accounts.log'
    fields  terminated  by '-'
    missing field values are null
    ( account_num,
      account_id,
      rpt_num,
      report_file_name ) )
    location ( 'a.csv' ) )

You can then use a 'update' sql statement or a cursor in a sql script to perform your updates.
 

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