Re: Migration from 8i to 11g

  • From: Dennis Williams <oracledba.williams@xxxxxxxxx>
  • To: Jed_Walker@xxxxxxxxxxxxxxxxx
  • Date: Wed, 7 Mar 2012 12:33:14 -0600

David, (resending without quoting prior posts)
Does your applications on 8i use RBO or CBO? Even if it uses CBO, the query
execution plans may differ in 11g. When we migrated some critical apps from
8i to 10g a few years ago (a direct upgrade) that was the main source of

Dennis Williams


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