A.Clearing an alert sends the alert to the alert history.
B.Response actions cannot be specified with server-generated alerts.
C.The nonthreshold alerts appear in the DBA_OUTSTANDING_ALERTS view.
D.Server-generated alerts notify the problems that cannot be resolved automatically and requireadministrators to be notified.
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View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view.
After 30 minutes， you executed the following command：
SQL> SELECT reason，metric_value FROM dba_outstanding_alerts； REASON METRIC_VALUE
------------------------------------------------------------ ------------
Tablespace [TEST] is [28 percent]full 28.125
What could be the reason for the elimination of the other rows in the output（）
A.An Automatic Workload Repository snapshot has been taken recently.
B.The non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.
C.The threshold alerts conditions are cleared and the alerts are transferred to DBA_ALERT_HISTORY.
D.The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but not the threshold alerts related to instance metrics.
The job to gather optimizer statistics for objects runs as part of the automatic maintenance window inyour database instance. At a certain point of time， the maintenance window closes before the statisticsare gathered for all objects.
Which statement is true in this scenario（）
A.The statistics collection continues until all objects are processed.
B.The job is terminated and the statistics collected are restored to a time before the job started.
C.This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.
D.The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened.
Your database instance is functional for the past one month. The Automatic Workload Repository（AWR） snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL.
You receive a complaint about the poor performance of the database between 7 PM and 9 PM of theprevious day.
Choose two actions any of which can be referred to first to diagnose the problem. （）
A.Use the Active Session History report.
B.Use the AWR Compare Periods report.
C.Use an ADDM analysis between 7 PM and 9 PM of the previous day.
D.Use the AWR Compare Period report between 7 PM and 9 PM of the previous day.
A.The ADDM requires at least four AWR snapshots for analysis.
B.The ADDM runs after each AWR snapshot is collected automatically by MMON.
C.The results of the ADDM analysis are stored in the Automatic Workload Repository （AWR）.
D.The ADDM analysis provides only diagnostic information but does not provide recommendations.
E.The ADDM calls other advisors if required， but does not provide recommendations about the advisors.
A.It transfers statistics from memory to disk at regular intervals.
B.It coordinates the rebalance activity for disk groups when ASM is used.
C.It communicates with the Automatic Storage Management （ASM） instance on behalf of the databaseinstance.
D.It performs dynamic memory management when Automatic Shared Memory Management is enabledfor the database instance.
Your database is functional with a peak load for the last one hour. You want to preserve theperformance statistics collected during this period to be used for comparison when you analyze theperformance of the database in the future.
What action would you take to achieve this task（）
A.Insert finding directives for ADDM tasks in the future.
B.Create a baseline on a pair of snapshots spanning the peak-load period.
C.Decrease the snapshot interval in the AWR to collect more snapshots during the peak-load period.
D.Set the snapshot retention period in the Automatic Workload Repository （AWR） to zero to avoid automatic purging of snapshots.
In your database instance， the STATISTICS_LEVEL initialization parameter is set to BASIC.
What isthe impact of this setting（）
A.Optimizer statistics are collected automatically.
B.Only timed operating system （OS） statistics and plan execution statistics are collected.
C.The snapshots for the Automatic Workload Repository （AWR） are not generated automatically.
D.Snapshots cannot be collected manually by using the DBMS_WORKLOAD_REPOSITORY package.
E.The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.
Examine the command：
SQL> DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’， ’false’）； Which statement describes the effect of the above command（）
A.Automatic statistics collection is stopped for the CUSTOMERS table.
B.Statistics for the CUSTOMERS table are locked and cannot be overwritten.
C.Existing statistics for the CUSTOMERS table become unusable for the query optimizer.
D.Subsequently， statistics gathered on the CUSTOMERS table are stored as pending statistics.
A.DDL statements can be audited.
B.Statements that refer to stand-alone procedure can be audited.
C.Operations by the users logged on as SYSDBA cannot be audited.
D.Only one audit record is ever created for a session per audited statement even though it is executedmore than once.
To make audit information more productive， the DBA executes the following command before startingan audit operation：
SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB，EXTENDED SCOPE=SPFILE；
Which statement is true regarding the audit record generated when auditing starts after restarting thedatabase（）
A.It contains only the plan for the SQL statement executed by the user.
B.It contains the SQL text executed by the user and the bind variables used with it.
C.It contains the plan and statistics associated with the SQL statement executed by the user.
D.It contains the plan for the SQL statement executed by the user and the bind variables used with it.
最新试题
Which statements regarding the server parameter file （SPFILE） are true（）
The user HR receives the following error while inserting data into the TTK table：ERROR at line 1：ORA-01653： unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation， you find that SMDis a small file tablespace.Which three action would allow the user to insert data（）
The session of user SCOTT receives the following error after executing an UPDATE command on the EMPtable：ERROR at line 1：ORA-00060： deadlock detected while waiting for resource On investigation， you find that a session opened byuser JIM has a transaction that caused the deadlock. Which two statements are true regarding the session ofSCOTT in this scenario（）
Which statements are true regarding listeners（）
You set the following parameters in the parameter file and restarted the database：MEMORY_MAX_TARGET=0MEMORY_TARGET=500MPGA_AGGREGATE_TARGET=90MSGA_TARGET=270MWhich two statements are true about these parameters after the database instance is restarted（）
Why does performance degrade when many UPDATE， INSERT， or DELETE statements are issued on a tablethat has an associated Bitmap index（）
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View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is owned by theSCOTT user. The SL_REP user executes the following command：SQL> GRANT SELECT ON scott.emp TO hr；Which statement describes the outcome of the command（）
In a new installation of Oracle Database 11g， you perform these activities：1. Organize software and data on different subdirectories to avoid poor performance.2. Use consistent naming conventions for database files.3. Separate administrative information pertaining to the database in different directories. Which optioncorresponds to the type of activities you performed（）
In which situation is the UNDO_RETENTION parameter be ignored， even if it is set to a value（）