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databases Online Quiz - 179

Description: databases Online Quiz - 179
Number of Questions: 20
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Tags: databases
Attempted 0/20 Correct 0 Score 0

Which of the following options for the PFILE/SPFILE parameter STATISTICS_LEVEL turns off AWR statistics gathering and ADDM advisory services?

  1. OFF

  2. TYPICAL

  3. ALL

  4. BASIC


Correct Option: D

Suppose you have used EM Database Control to drill down into ADDM findings and have found that a single SQL statement is causing the majority of I/O on your system. Which of the following advisors is best suited to troubleshoot this SQL statement?

  1. SQL Tuning Advisor

  2. SQL Access Advisor

  3. Both A and B

  4. Neither A or B


Correct Option: C

Nearly all the advisors submit their analysis activities to the database in the form of a job. When the analysis job is submitted, which option for job scope adds the least overhead to the system?

  1. Limited

  2. Restricted

  3. Comprehensive

  4. Thorough


Correct Option: A

Which data dictionary view contains information explaining why ADDM made its recommendations?

  1. DBA_ADVISOR_FINDINGS

  2. DBA_ADVISOR_OBJECTS

  3. DBA_ADVISOR_RECOMMENDATIONS

  4. DBA_ADVISOR_RATIONALE


Correct Option: D

Which of the following advisors determines if the space allocated to the Shared Pool, Large Pool, or Buffer Cache are adequate?

  1. SQL Tuning Advisor

  2. SGA Tuning Advisor

  3. Memory Advisor

  4. Pool Advisor


Correct Option: C

Which of the following advisors determines if the estimated instance recovery duration is within the expected service-level agreements?

  1. Undo Management Advisor

  2. SQL Access Advisor

  3. SQL Tuning Advisor

  4. MTTR Advisor


Correct Option: D
  1. Run the SQL Tuning Advisor.

  2. Run the SQL Access Advisor.

  3. Check the EM Database Control main screen for alerts.

  4. Click the Alert Log Content link in the EM Database Control main screen.


Correct Option: A

Which of the following is not one of the three primary sources of performance metric information in the EM Database Control Performance screen?

  1. Host

  2. Session

  3. Instance

  4. Network


Correct Option: D
  1. The PFILE/SPFILE parameter GATHER_STATS=FALSE.

  2. Only databases created using Database Configuration Assistant have automatic statistics

  3. The SYSMAN user who owns the AWR is not logged in.

  4. The operating system does not support automatic statistics collection.


Correct Option: B

Using EM Database Control, you discover that two application PL/SQL functions and a view are currently invalid. Which of the following might you use to fix these objects?

  1. Shut down and restart the database.

  2. Use EM Database Control to recompile the object.

  3. Export the invalid objects, drop them, and then import them.

  4. Use the ALTER FUNCTION … COMPILE and ALTER VIEW … COMPILE commands.


Correct Option: B,D

Multiple baseline metrics can be gathered and stored in the AWR. Why might you want more than one metrics baseline?

  1. You might want a separate baseline metric for each user.

  2. You might want a separate baseline metric for daytime usage versus off-hours usage.

  3. You might want a separate baseline metric for each schema.

  4. You would never want more than one baseline metric, even though it is possible to gather


Correct Option: B

When you configure an alert, which of the following types of alert thresholds can you use to monitor a tablespace for diminishing free space?

  1. Warning threshold

  2. Critical threshold

  3. Both A and B

  4. Neither A or B


Correct Option: C

If no e-mail address is specified, where will alert information be displayed?

  1. In the DBA_ALERTS data dictionary view

  2. In the V$ALERTS dynamic performance view

  3. In the EM Database Control main screen

  4. No alert information is sent or displayed.


Correct Option: C

If Product is a table name than a) RENAME product to PRO; b) ALTER TABLE product RENAME TO pro;

  1. a is ture

  2. b is fasle

  3. b is false a is ture

  4. a is false b is ture


Correct Option: D

NULLIF(12, 13) would return 12 ?

  1. True

  2. False


Correct Option: B

This query is: INSERT ALL INTO mytab (c1,c2) VALUES ('ram',12) INTO mytab (c1,c2) VALUES ('mani',15)

  1. True

  2. False


Correct Option: A
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