Thursday, February 21, 2013

4 Oracle Database Advisor overview

From Oracle 10g, Oracle has introduce many advisors to assist DBA maintenance work.

From the DBA_ADVISOR_DEFINITIONS table, we can get some of the advisors.

SELECT * FROM dba_advisor_definitions;


We can categorize the advisors as below:

SQL Tuning:

Space Advisor:

Memory Advisor:

High Availability advisor

Related table

  • DBA_ADVISOR_TASKS: Basic information for tasks
  • DBA_ADVISOR_LOG:  Status for tasks.
  • DBA_ADVISOR_FINDINGS:Findings identified by tasks
  • DBA_ADVISOR_RECOMMENDATIONS:Recommendations for tasks

OEM Cloud Control

Advisor Central


Memory advisor



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