You set the value of the SGA_TARGET initialization parameter

题目
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You set the value of the SGA_TARGET initialization parameter to 1G to enable Oracle to automatically resize most of the memory components according to the current workload in the database. You issue the following statement:   SQL> SELECT name, value, isdefault  2 FROM v$parameter   3 WHERE name LIKE ’%size%’;   The output of this statement displays that the DB_CACHE_SIZE, SHARED_POOL_SIZE,  LARGE_POOL_SIZE, and JAVA_POOL_SIZE initialization parameters contain a zero value.  What does this imply?()
A

The SGA_TARGET initialization parameter cannot be set to a value less than 1G

B

The SGA_TARGET initialization parameter cannot be set to a value greater than 1G

C

The Memory Advisor of the Oracle Enterprise Manager 10g cannot be used to obtain advice on the important memory components of the SGA

D

The values of the DB_CACHE_SIZE, SHARED_POOL_SIZE, LARGE_POOL_SIZE, and JAVA_POOL_SIZE initialization parameters cannot be set manually.

E

No minimum limits are imposed on the DB_CACHE_SIZE, SHARED_POOL_SIZE, LARGE_POOL_SIZE, and  JAVA_POOL_SIZE initialization parameters.

F

The Automatic Shared Memory Management feature cannot be disabled unless you specify values for the  DB_CACHE_SIZE, SHARED_POOL_SIZE, LARGE_POOL_SIZE, and JAVA_POOL_SIZE initialization parameters in the initialization parameter file.

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相似问题和答案

第1题:

Your database is started by using the server parameter file (SPFILE). You issued this command to change the value of the LOG_BUFFER initialization parameter:  ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH;  What would be the outcome of this command?()

  • A、The command would return an error because LOG_BUFFER is a static parameter.
  • B、The parameter value would be changed and it would come into effect immediately.
  • C、You need to restart the database so that parameter changes can come into effect.
  • D、The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.

正确答案:A

第2题:

You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem?()

  • A、 Increase the value of the FAST_START_MTTR_TARGET initialization parameter.
  • B、 Increase the value of the DB_RECOVERY_FILE_DEST_SIZE parameter.
  • C、 Increase the value of the PGA_AGGREGATE_TARGET initialization parameter.
  • D、 Increase the value of the SGA_TARGET initialization parameter.

正确答案:B

第3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4题:

Your SPFILE contains the following parameter settings:   SGA_TARGET = 8G   DB_CACHE_SIZE = 4G   SHARED_POOL_SIZE = 2G   LARGE_POOL_SIZE = 512M   JAVA_POOL_SIZE = 512M   LOG_BUFFER = 100M   SGA_MAX_SIZE = 10G   You query the V$SGA_DYNAMIC_COMPONENTS dynamic performance view and discover that the large pool component is currently sized at 1G. You want the value of the SGA_TARGET initialization parameter to 10G, but instead of specifying a value of 10G for the SGA_TARGET initialization parameter, you erroneously execute the following statement:   SQL>ALTER SYSTEM SET SGA_TARGET = 0 SCOPE = BOTH;   What is the result of this statement?()  

  • A、 The database crashes.
  • B、 The large pool releases 512M of memory.
  • C、 The large pool retains 1G of allocated memory.
  • D、 The large pool increases to 1,512M of memory.

正确答案:C

第5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 > startup ORA-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.

正确答案:B

第7题:

You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting?()  

  • A、 The database will not start.
  • B、 The database will start but will not retain the undo data in the undo segment.
  • C、 The database will start, and the undo segment will contain the undo data for at least one hour.
  • D、 The database will start, and the undo segment will retain the undo data for at least 15 minutes.

正确答案:D

第8题:

You are working in a dedicated server environment. Your database is running in the automatic Program Global Area (PGA) memory management mode. Which two statements are correct in this scenario? ()

  • A、 The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.
  • B、 The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.
  • C、 Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.
  • D、 The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.

正确答案:B,D

第9题:

You are maintaining your production database in Oracle10g. You want the circular reuse records in the control file of the target database to be reused as required.   Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter?()

  • A、 0
  • B、 1
  • C、 NONE
  • D、 DEFAULT

正确答案:A

第10题:

You included the following Automatic Storage Management (ASM) initialization parameter settings in the ASM initialization parameter file:   INSTANCE_TYPE = ASM  ASM_POWER_LIMIT = 11  LARGE_POOL_SIZE = 4M   ASM_DISKGROUPS = DG1, DG2  DB_UNIQUE_NAME = +ASM   You are unable to start the ASM instance. Which initialization parameter file setting(s) is not allowing the ASM instance to start?()

  • A、 only the INSTANCE_TYPE initialization parameter is set to an invalid value
  • B、 only the ASM_POWER_LIMIT initialization parameter is set to an invalid value
  • C、 only the LARGE_POOL_SIZE initialization parameter is set to an invalid value
  • D、 both the LARGE_POOL_SIZE and INSTANCE_TYPE initialization parameters are set to invalid values

正确答案:D

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