OCP-1Z0-053-V13.02-219题

219.You executed the following PL/SQL block successfully:

VARIABLE tname VARCHAR2(20)

BEGIN dbms_addm.insert_finding_directive (NULL, DIR_NAME=>'Detail CPU Usage',

FINDING_NAME=>'CPU Usage', MIN_ACTIVE_SESSIONS=>0,

MIN_PERC_IMPACT=>90); :tname := 'database ADDM task4';

dbms_addm.analyze_db(:tname, 150, 162);

END; /

Then you executed the following command:

SQL> SELECT dbms_addm.get_report(:tname) FROM DUAL;

The above command produces Automatic Database Diagnostic Monitor (ADDM) analysis ____.

A. with the CPU Usage finding if it is less than 90

B. without the CPU Usage finding if it is less than 90

C. with the CPU Usage finding for snapshots below 90

D. with the CPU Usage finding for snapshots not between 150 and 162

Answer: B

答案解析：

参考：http://docs.oracle.com/cd/E11882_01/appdev.112/e40758/d_addm.htm#ARPLS65063

INSERT_FINDING_DIRECTIVE Procedure

Creates a directive to limit reporting of a specific finding type.

INSERT_FINDING_DIRECTIVE Procedure

This procedure creates a directive to limit reporting of a specific finding type. The directive can be created for a specific task (only when the task is in INITIALstatus), or for all subsequently created ADDM tasks (such as a system directive).

Syntax

DBMS_ADDM.INSERT_FINDING_DIRECTIVE (

   task_name             IN VARCHAR2,

   dir_name              IN VARCHAR2,

   finding_name          IN VARCHAR2,

   min_active_sessions   IN NUMBER := 0,

   min_perc_impact       IN NUMBER := 0);

Parameters

Table 16-12 INSERT_FINDING_DIRECTIVE Procedure Parameters

Parameter	Description
task_name	Name of the task this directive applies to. If the value is NULL, it applies to all subsequently created ADDM Tasks.
dir_name	Name of the directive. All directives must be given unique names.
finding_name	Name of an ADDM finding to which this directive applies. All valid findings names appear in the NAME column of view DBA_ADVISOR_FINDING_NAMES.
min_active_sessions	Minimal number of active sessions for the finding. If a finding has less than this number, it is filtered from the ADDM result.
min_perc_impact	Minimal number for the "percent impact" of the finding relative to total database time in the analysis period. If the finding's impact is less than this number, it is filtered from the ADDM result.

Examples

A new ADDM task is created to analyze a local instance. However, it has special treatment for 'Undersized SGA' findings. The result of GET_REPORT shows only an 'Undersized SGA' finding if the finding is responsible for at least 2 average active sessions during the analysis period, and this constitutes at least 10% of the total database time during that period.

var tname VARCHAR2(60);

BEGIN

  DBMS_ADDM.INSERT_FINDING_DIRECTIVE(

   NULL,

   'Undersized SGA directive',

   'Undersized SGA',

   2,

   10);

  :tname := 'my_instance_analysis_mode_task';

  DBMS_ADDM.ANALYZE_INST(:tname, 1, 2);

END;

To see a report containing 'Undersized SGA' findings regardless of the directive:

SELECT DBMS_ADVISOR.GET_TASK_REPORT(:tname, 'TEXT', 'ALL') FROM DUAL;