A senior DBA asked you to execute the following command to improve performance: SQL ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?（）A、The keep pool is not configured.B、Automatic Workarea Management is not configured.C、Automatic Shared Memory Management is not enabled.D、The data blocks in the SUBSCRIBE_LOG table are rarely accessed.E、All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view
A senior DBA asked you to execute the following command to improve performance: SQL> ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?（）
- A、The keep pool is not configured.
- B、Automatic Workarea Management is not configured.
- C、Automatic Shared Memory Management is not enabled.
- D、The data blocks in the SUBSCRIBE_LOG table are rarely accessed.
- E、All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view
相关考题：
Don’t discuss the problems with your partner unless you??____________ to do so.A. ask B. are asked C. will ask D. will be asked
She asked me, “will you go to the cinema tomorrow?” (改为宾语从句)She asked me ________ I ________ go to the cinema the next day.
You, like many of your classmates, probably have been in such a situation where you are asked to do something to help a foreign friend. (翻译)
When you create an account, you are typically asked to enter a user ID and ( ). A nameB requirementC passwordD program
When you create an account, you are typically asked to enter a username and （ ）.A. keyB. keywordC. passwordD. user ID
1f someone asked me to be in a movie，l'd say yes．（对划线部分提问）_________ would you_________ if someone asked you_________ _________in a movie?
Mary has just called and asked__to have lunch with her tomorrow.A.you and IB.you and meC.I and youD.me and you
Which view will you use to view information regarding the jobs that are currently running in a database？（）A、DBA_SCHEDULER_RUNNING_JOBSB、DBA_SCHEDULER_JOB_RUN_DETAILSC、DBA_SCHEDULER_JOBSD、DBA_SCHEDULER_JOB_LOG
Your database is configured in shared server mode. However， your senior DBA asks you to modifythe value of the PRIVATE_SGA limit in the profile of the users. What could be the reason for this（）A、to limit the User Global Area （UGA） memory allocated to a session from the SGAB、to limit the amount of memory to be used for the dispatcher queue of a session in SGAC、to limit the amount of memory to be used for the request pool in System Global Area （SGA）D、to control the amount of memory allocated in SGA for the local variables for each shared server process
You executed the following procedure to collect statistics regarding an index： SQLANALYZE INDEX EMP_ID VALIDATE STRUCTURE； Which view will you use to determine whether you need to rebuild the index or not？（） A、 INDEX_STATSB、 DBA_INDEXESC、 DBA_IND_COLUMNSD、 V$OBJECT_USAGE
You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）A、to enable operating system authentication for a remote clientB、to restrict the scope of administration to identical operating systemsC、to allow the start up and shut down of the database from a remote clientD、to enable the administration of the operating system from a remote clientE、to disable the administration of the operating system from a remote client
What should you look at first to compute the number of undo blocks written per second to disk？ （）A、V$UNDOSTATB、V$TRANSACTIONC、V$ROLLSTATD、DBA_UNDO_EXTENTSE、DBA_ROLLBACK_SEGS
You are part of the DBA team working for a multinational bank. The team is responsible for performing administrative tasks on the database server located at the home office. The database server at the home office has a production database and a test database named TESTDB. The test database is primarily used for testing database commands and configuration settings befor implementing these settings on the production database. The test database is also used for the development of database applications. You have been asked by the senior DBA to grant the SYSDBA privilege to a new team member， John， so that he can perform some administrative tasks， such as shutdown and startup operations， on TESTDB. You use the password file to configure remote authentication on the TESTDB database. You execute the following statement to grant the SYSDBA privilege to John： SQLGRANT SYSDBA TO john； However， you receive the following error： ORA-01996： GRANT failed： password file ’c：/oracle/ora9i/dbs/testdb.pwd’ is full Which action should you take to add the user john to the password file without removing any of the existing users？（）A、 Create another password file and then re-execute the GRANT statement.B、 Re-create the password file， specifying a larger number of allowed entries， and then re-execute the GRANT statement.C、 Change the value of the REMOTE_LOGIN_PASSWORDFILE initialization parameter in theinitialization parameter file to NONE and then re-execute the GRANT statement.D、 Change the value of the REMOTE_LOGIN_PASSWORDFILE initialization parameter in the initialization parameter file to SHARED and then re-execute the GRANT statement.
You issued the following statement to monitor the usage of the index： SQL ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE； Which view will you query to ensure that the index is being monitored？（） A、 INDEX_STATSB、 DBA_INDEXESC、 DBA_IND_COLUMNSD、 V$OBJECT_USAGE
You want to view the name of a program associated with a job for making some changes to the program. Which view will you query to find the name of the program associated with the job？（）A、 DBA_SCHEDULER_JOB_RUN_DETAILSB、 DBA_SCHEDULER_RUNNING_JOBSC、 DBA_SCHEDULER_JOBSD、 DBA_SCHEDULER_JOB_LOG
单选题On Tuesday， a junior DBA dropped an important application user account， whose schema has important tables. You are asked to recover all the objects in the schema. On investigation， you find that the user account was dropped at 11：00 a.m. and Sunday’s backup is the most recent backup.Which flashback feature would you use？（）A Flashback DropB Flashback TableC Flashback DatabaseD Flashback Version QueryE Flashback Transaction Query
单选题You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）Ato enable operating system authentication for a remote clientBto restrict the scope of administration to identical operating systemsCto allow the start up and shut down of the database from a remote clientDto enable the administration of the operating system from a remote clientEto disable the administration of the operating system from a remote client
单选题You want to view the name of a program associated with a job for making some changes to the program. Which view will you query to find the name of the program associated with the job？（）A DBA_SCHEDULER_JOB_RUN_DETAILSB DBA_SCHEDULER_RUNNING_JOBSC DBA_SCHEDULER_JOBSD DBA_SCHEDULER_JOB_LOG
单选题You executed the following procedure to collect statistics regarding an index： SQLANALYZE INDEX EMP_ID VALIDATE STRUCTURE； Which view will you use to determine whether you need to rebuild the index or not？（）A INDEX_STATSB DBA_INDEXESC DBA_IND_COLUMNSD V$OBJECT_USAGE
单选题On Tuesday， a junior DBA dropped an important application user account， whose schema has important tables. You are asked to recover all the objects in the schema. On investigation， you find that the user account was dropped at 11：00 a.m. and Sunday’s backup is the most recent backup. Which flashback feature would you use？（）AFlashback DropBFlashback TableCFlashback DatabaseDFlashback Version QueryEFlashback Transaction Query
单选题A senior DBA asked you to execute the following command to improve performance: SQL ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?（）AThe keep pool is not configured.BAutomatic Workarea Management is not configured.CAutomatic Shared Memory Management is not enabled.DThe data blocks in the SUBSCRIBE_LOG table are rarely accessed.EAll the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view
单选题You issued the following statement to monitor the usage of the index： SQL ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE； Which view will you query to ensure that the index is being monitored？（）A INDEX_STATSB DBA_INDEXESC DBA_IND_COLUMNSD V$OBJECT_USAGE
单选题You have many users complaining about slow inserts into a large table. While investigating the reason， you find that the number of indexes on the table is high. You want to find out which indexes are not being used. Which method would you follow to achieve this？（）Aenable index monitoring and query the DBA_OBJECTS viewBenable index monitoring and query the DBA_INDEXES viewCenable index monitoring and query the V$OBJECT_USAGE viewDenable index monitoring and view the DBA_INDEXTYPE_COMMENTS view
单选题Enclosed you _____ an application form that you are asked to fill out.Awill findBfindCfoundDare finding