Wednesday, 29 July 2009

Performance Tuning - Question 020

Which of these initialization parameters is required for STATSPACK to collect statistics automatically with spauto.sql?

A. JOB_QUEUE_PROCESSES

B . JOB_QUEUE_INTERVAL

C . DB_JOB_QUEUE_PROCESSES

D . STATSPACK_JOB_AUTO

Explanation:

Answer A: The spauto.sql script performs automatic statistics gathering for Statspack. To run, it must use the DBMS_JOB package; for jobs to run, the JOB_QUEUE_PROCESSES value must be 1 or greater. Each of the other answers are invalid parameters.

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