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  Oracle Tips by Burleson

Easy Oracle Automation
Chapter 4 -
Automatic Workload Repository and Automatic Database Diagnostic Monitor

Using PL/SQL Packages for Server Generated Alerts

COLUMN

DESCRIPTION

OBJECT_TYPE

Object type -SYSTEM, SERVICE, EVENT_CLASS, TABLESPACE, FILE

OBJECT_NAME

Object's name for which the threshold is set

STATUS

Status of threshold on a valid object (VALID or INVALID)

Table 4.5 – dba_thresholds

Server-generated alerts will greatly help in automating the DBA tasks.  The next topic to review is the advisory framework in Oracle10g.

Advisory Framework

Oracle Database 10g has server components called advisors to provide feedback about resource utilization and performance. The important advisors are listed below:

  • Automatic Database Diagnostic Monitor (ADDM) - ADDM does a top-down analysis of the database, identifies problems and potential issues, and gives recommendations for fixing these problems. ADDM can invoke other advisors.
     

  • SQL Tuning Advisor -  provides tuning advice for SQL statements.
     

  • SQL Access Advisor -  provides advice on database schema issues and determines optimal data access paths.


The above text is an excerpt from:

Easy Oracle Automation
Oracle10g Automatic Storage, Memory and Diagnostic Features

ISBN 0-9745993-6-0

by Dr. Arun Kumar R.
 


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