Start a database with a missing data file

In order to start an Oracle database with a misssing data file:

  • First get connected to SQL*DBA or Server Manager and run "shutdown abort"
  • Run startup mount
  • Run the following command to replace the datafile (eg using... /oradata/temp_01.dbf):

Change database datafile: datafile `.../oradata/temp_01.dbf' offline drop;

  • alter database open;
  • drop tablespace TEMP including contents.
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