Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true、

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• 1Which three functions are performed by the SQL Tuning Advisor、

  A.Building and implementing SQL profiles

  B.Recommending the optimization of materialized views

  C.Checking query objects for missing and stale statistics

  D.Recommending bitmap, function-based, and B-tree indexes

  E.Recommending the restructuring of SQL queries that are using bad plans

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• 2You are administering a database stored in Automatic Storage management (ASM). The files are stored in the DATA disk group. You execute the following command:SQL > ALTER DISKGROUP data ADD ALIAS ‘+data/prod/myfile.dbf’ FOR ‘+data/prod/myfile.dbf’What is the result、

  A.The file ‘+data.231.54769’ is physically relocated to ‘+data/prod’ and renamed as ‘myfile.dbf’ .

  B.The file ‘+data.231.54769’ is renamed as ‘myfile.dbf’, and copied to ‘+data/prod’ .

  C.The file ‘+data.231.54769’ remains in the same location and a synonym 'myfile.dbf' is create

  D.D.The file ‘myfil

  E.dbf’ is created in ‘+data/prod’ and the reference to ‘+data.231.54769’ in the data dictionary removed.

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• 3You database is running an ARCHIVELOG mode.The following parameter are set in your database instance:LOG_ARCHIVE_FORMAT = arch+%t_%r.arcLOG_ARCHIVE_DEST_1 = ‘LOCATION = /disk1/archive’DB_RECOVERY_FILE_DEST_SIZE = 50GDB_RECOVERY_FILE = ‘/u01/oradata’Which statement is true about the archived redo log files、

  A.They are created only in the location specified by the LOG_ARCHIVE_DEST_1 parameter.

  B.They are created only in the Fast Recovery Area.

  C.They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and in the default location $ORACLE_HOME/dbs/arch.

  D.They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the location specified by the DB_RECOVERY_FILE_DEST parameter.

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• 4Examine the following steps of privilege analysis for checking and revoking excessive, unused privileges granted to users:1. Create a policy to capture the privilege used by a user for privilege analysis.2. Generate a report with the data captured for a specified privilege capture.3. Start analyzing the data captured by the policy.4. Revoke the unused privileges.5. Compare the used and unused privileges’ lists.6. Stop analyzing the dat

  A.Identify the correct sequence of steps.A.1, 3, 5, 6, 2, 4

  B.1, 3, 6, 2, 5, 4

  C.1, 3, 2, 5, 6, 4

  D.1, 3, 2, 5, 6, 4

  E.1, 3, 5, 2, 6

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• 5In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation.How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions、

  A.It collects data from SGA and compares it with a preserved snapshot.

  B.It collects data from SGA, analyzes it, and provides a report.

  C.It collects data from SGA and compares it with the latest snapshot.

  D.It collects data from both SGA and PGA, analyzes it, and provides a report.

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• 6Your multitenant container database (CDB) contains three pluggable database (PDBs).You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs.Which three steps should you perform to recover the control file and make the database fully operational、

  A.Mount the container database (CDB) and restore the control file from the control file auto backup.

  B.Recover and open the CDB in NORMAL mode.

  C.Mount the CDB and then recover and open the database, with the RESETLOGS option.

  D.Open all the pluggable databases.

  E.C.Mount the CDB and then recover and open the database, with the RESETLOGS option.D.Open all the pluggable databases.E.Recover each pluggable database.

  F.Start the database instance in the nomount stage and restore the control file from control file auto backup.

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• 7A new report process containing a complex query is written, with high impact on thedatabase. You want to collect basic statistics about query, such as the level of parallelism, total database time, and the number of I/O requests.For the database instance STATISTICS_LEVEL, the initialization parameter is set to TYPICAL and the CONTROL_MANAGEMENT_PACK_ACCESS parameter is set to DIAGNOSTIC+TUNING.What should you do to accomplish this task、

  A.Execute the query and view Active Session History (ASH) for information about the query.

  B.Enable SQL trace for the query.

  C.Create a database operation, execute the query, and use theDBMS_SQL_MONITOR.REPORT_SQL_MONITOR function to view the report.

  D.Use the DBMS_APPLICATION_INFO.SET_SESSION_LONGOPS procedure to monitor query execution and view the information from the V$SESSION_LONGOPS view.

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• 8Identify two valid options for adding a pluggable database (PDB) to an existing multitenant container database (CDB).

  A.Use the CREATE PLUGGABLE DATABASE statement to create a PDB using the files from the SEED.

  B.Use the CREATE DATABASE . . . ENABLE PLUGGABLE DATABASE statement to provision a PDB by copying file from the SEED.

  C.Use the DBMS_PDB package to clone an existing PDB.

  D.B.Use the CREATE DATABASE . . . ENABLE PLUGGABLE DATABASE statement to provision a PDB by copying file from the SEED.C.Use the DBMS_PDB package to clone an existing PDB.D.Use the DBMS_PDB package to plug an Oracle 12c non-CDB database into an existing CDB.

  E.Use the DBMS_PDB package to plug an Oracle 11 g Release 2 (11.2.0.3.0) non-CDB database into an existing CDB.

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• 9Your database supports a DSS workload that involves the execution of complex queries: Currently, the library cache contains the ideal workload for analysis. You want to analyze some of the queries for an application that are cached in the library cache.What must you do to receive recommendations about the efficient use of indexes and materialized views to improve query performance、

  A.Create a SQL Tuning Set (STS) that contains the queries cached in the library cache and run the SQL Tuning Advisor (STA) on the workload captured in the STS.

  B.Run the Automatic Workload Repository Monitor (ADDM).

  C.Create an STS that contains the queries cached in the library cache and run the SQL Performance Analyzer (SPA) on the workload captured in the STS.

  D.Create an STS that contains the queries cached in the library cache and run the SQL Access Advisor on the workload captured in the STS.

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• 10The following parameter are set for your Oracle 12c database instance:OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSEOPTIMIZER_USE_SQL_PLAN_BASELINES=TRUEYou want to manage the SQL plan evolution task manually. Examine the following steps:1. Set the evolve task parameters.2. Create the evolve task by using the DBMS_SPM.CREATE_EVOLVE_TASK function.3. Implement the recommendations in the task by using theDBMS_SPM.IMPLEMENT_EVOLVE_TASK function.4. Execute the evolve task by using the DBMS_SPM.EXECUTE_EVOLVE_TASK function.5. Report the task outcome by using the DBMS_SPM.REPORT_EVOLVE_TASK function.Identify the correct sequence of steps:

  A.2, 4, 5

  B.2, 1, 4, 3, 5

  C.1, 2, 3, 4, 5

  D.1, 2, 4, 5

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