违法和不良信息举报 联系客服
免费注册 登录

单选题The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE You want to manage the SQL plan evolution task manually. Examine the following steps: 1. Set the evo

题目
单选题
The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE You 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 the DBMS_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

如果没有搜索结果或未解决您的问题，请直接 联系老师 获取答案。
相似问题和答案

第1题：

You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.Which statement about the result is true?（）

A. The database instance starts, and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZE

B. The database instance starts, and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGA

C. The database instance starts, but Automatic Memory Management is disabled

D. The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter


参考答案：B

第2题：

The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE You 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 the DBMS_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

正确答案:B

第3题：

You have the following requirements in relation to the detection of block corruption for your database instance:1. Check for logical self-consistency of data blocks when modified in memory.2. Checksums are calculated before and after the block change.3. Checks are performed for the lost writes to the physical standby database.Which method would help you perform the above checks automatically? （）

A. Set the DB_SECUREFILE parameter to PERMITTED

B. Set the DB_ULTRA_SAFE parameter to DATA_ONLY

C. Set the DB_LOCK_CHECKSUM parameter to TYPICAL

D. Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL


参考答案：B

第4题：

Your tnsnames.ora file has the following entry for the service alias ORCL：  ORCL =  （DESCRIPTION =  （ADDRESS = （PROTOCOL = TCP） （HOST = 10.156.24.216） （PORT = 1521））   （CONNECT_DATA =  （SERVER = DEDICATED） （SERVICE_NAME = orcl.oracle.com）   ）   ）   The TNSPING command executes successfully when tested with ORCL but you are not able to connect to the database instance with the following command：  SQL> CONNECT scott/tiger@orcl  What could be the reason for this？（）

  • A、The listener is not running at the server.
  • B、The TNS_ADMIN environmental variable is set to a wrong value.
  • C、The orcl.oracle.com database service is not registered with the listener.
  • D、The DEFAULT_DOMAIN parameter is set to a wrong value in the SQLNET.ORA file.

正确答案:C

第5题：

You are managing an Oracle Database 11g database with the ASM storage. The database is having big file tablespaces. You want files to open faster and less memory to be used in the shared pool to manage the extent maps.  What configuration would you effect to achieve your objective？（）  

  • A、 Set the ASM compatibility attribute for the ASM disk group to 11.1.0.
  • B、 Set the RDBMS compatibility attribute for the ASM disk group to 11.1.0.
  • C、 Set the COMPATIBLE initialization parameter for the ASM instance to 11.1.0.
  • D、 Set the COMPATIBLE initialization parameter for the database instance to 11.1.0.

正确答案:A,D

第6题：

To implement Automatic Management (AMM), you set the following parameters: When you try to start the database instance with these parameter settings, you receive the following error message:SQL > startupORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information.Identify the reason the instance failed to start.（）

A.The PGA_AGGREGATE_TARGET parameter is set to zero.

B.The STATISTICS_LEVEL parameter is setto basic.

C.Both the SGA_TARGETandMEMORY_TARGET paramete rsareset.

D.The SGA_MAX_SIZEandSGA_TARGET parameter value sare note qual.


参考答案：B

第7题：

You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.  Which statement about the result is true？（）

  • A、 The database instance starts，and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZE
  • B、 The database instance starts，and Oracle automatically tunes memory and allocates 60 percent to the  SGA and 40 percent to the PGA
  • C、 The database instance starts，but Automatic Memory Management is disabled
  • D、 The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter

正确答案:B

第8题：

You set the following parameters in the parameter file and restarted the database:Which two statements are true regarding these parameters after the database instance is restarted?()

A. The MEMORY_MAX_TARGET parameter is automatically set to 500 MB

B. The value of the MEMORY_MAX_TARGET parameter remains zero till it is changed manually

C. The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zero

D. The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively


参考答案：A, D

第9题：

Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets （STS） from the previous version. After changing the  OPTIMIZER_FEATURE_ENABLE parameter to 10.2.0.4 and running the SQL Performance Analyzer， you observed performance regression for a few SQL statements.  What would you do with these SQL statements？（）

  • A、 Set OPTIMIZER_USE_PLAN_BASELINES to FALSE to prevent the use of regressed plans.
  • B、 Capture the plans from the previous version using STS and then load them into the stored outline.
  • C、 Capture the plans from the previous version using STS and then load them into SQL Management Base （SMB）
  • D、 Set OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to FALSE to prevent the plans from being loaded to the SQL plan baseline.

正确答案:C

第10题：

You want to enable archiving on your database. Presently， the database is running in NOARCHIVELOG mode.Given below are the steps to accomplish the task in random order： 1. Shut down the instance. 2. Execute the ALTER DATABASE ARCHIVELOG command. 3. Start up the instance and mount the database. 4. Set the DB_RECOVERY_FILE_DEST initialization parameter to $ORACLE_HOME/dest_1. 5. Open the database. Which is the correct sequence of steps for accomplishing the task（）

  • A、4， 1， 3， 2， 5
  • B、1， 3， 4， 5， 2
  • C、1， 3， 2， 5； 4 not required
  • D、4， 1， 5， 2； 3 not required
  • E、1， 3， 4， 5； 2 not required

正确答案:C

更多相关问题
相关内容