Oracle Database Developer Interview Question:

Explain Oracle Server Autotrace in Oracle?

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Autotrace is Oracle server feature that generates two statement execution reports very useful for performance tuning:

* Statement execution path - Shows you the execution loop logic of a DML statement.
* Statement execution statistics - Shows you various execution statistics of a DML statement.

To turn on the autotrace feature, the Oracle server DBA need to:

* Create a special table called PLAN_TABLE.
* Create a special security role called PLUSTRACE.
* Grant PLUSTRACE role your user account
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