How to Create an Execution Plan–SQL Tuning

 

Autotrace in SQL Developer

This is a step up over the SQL*Plus version. It displays the stats for every step of the plan. So for each operation you can see metrics such as:

  • How many buffer gets it used
  • How long it took to run
  • How many disk reads and writes it did

For more information, please check the below.

Thanks to Oracle  – https://blogs.oracle.com/sql/entry/how_to_create_an_execution

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