单选题You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true abo

题目
单选题
You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true about the result of this command?()
A

The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened.

B

The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened.

C

The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted.

D

Nothing happens; because there is no SPFILE for each PDB, the statement is ignored.


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更多“单选题You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true abou”相关问题
  • 第1题:

    You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.You issue the following statements:SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;For which database users is the audit policy now active?()

    A. All users except SYS

    B. All users except SCOTT

    C. All users except sys and SCOTT

    D. All users except sys, system, and SCOTT


    参考答案:B

  • 第2题:

    You decided to change the location of the flash recovery area. You executed the following command:   ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’;   Which statement is true?()

    • A、 The location can be changed only if the flash recovery area is empty.
    • B、 After executing the command, all new flash recovery area files will be created in the new location.
    • C、 The command will generate an error because you cannot change the flash recovery area while the database is open.
    • D、 All the existing files in the flash recovery area will be moved to the new location and all new Flash Recovery Area files will be created in the new location.

    正确答案:B

  • 第3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?()

    • A、to enable operating system authentication for a remote client
    • B、to restrict the scope of administration to identical operating systems
    • C、to allow the start up and shut down of the database from a remote client
    • D、to enable the administration of the operating system from a remote client
    • E、to disable the administration of the operating system from a remote client

    正确答案:A

  • 第4题:

    Which three statements are true about the working of system privileges in a multitenant control database(CDB) that has pluggable databases (PDBs)?()

    • A、System privileges apply only to the PDB in which they are used.
    • B、Local users cannot use local system privileges on the schema of a common user.
    • C、The granter of system privileges must possess the set container privilege.
    • D、Common users connected to a PDB can exercise privileges across other PDBs.
    • E、System privileges with the with grant option container all clause must be granted to a common user before the common user can grant privileges to other users.

    正确答案:A,C,E

  • 第5题:

    Flashback is enabled for your multitenant container database (CDB), which contains two pluggable database (PDBs). A local user was accidently dropped from one of the PDBs. You want to flash back the PDB to the time before the local user was dropped. You connect to the CDB and execute the following commands: SQL > SHUTDOWN IMMEDIATE SQL > STARTUP MOUNT SQL > FLASHBACK DATABASE to TIME “TO_DATE (‘08/20/12’ , ‘MM/DD/YY’)”; Examine following commands: 1. ALTER PLUGGABLE DATABASE ALL OPEN; 2. ALTER DATABASE OPEN; 3. ALTER DATABASE OPEN RESETLOGS; Which command or commands should you execute next to allow updates to the flashback back schema?()

    • A、Only 1
    • B、Only 2
    • C、Only 3
    • D、3 and 1
    • E、1 and 2

    正确答案:C

  • 第6题:

    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?()
    A

    to enable operating system authentication for a remote client

    B

    to restrict the scope of administration to identical operating systems

    C

    to allow the start up and shut down of the database from a remote client

    D

    to enable the administration of the operating system from a remote client

    E

    to disable the administration of the operating system from a remote client


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true about the result of this command?()
    A

    The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened.

    B

    The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened.

    C

    The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted.

    D

    Nothing happens; because there is no SPFILE for each PDB, the statement is ignored.


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    Flashback is enabled for your multitenant container database (CDB), which contains two pluggable database (PDBs). A local user was accidently dropped from one of the PDBs. You want to flash back the PDB to the time before the local user was dropped. You connect to the CDB and execute the following commands: SQL > SHUTDOWN IMMEDIATE SQL > STARTUP MOUNT SQL > FLASHBACK DATABASE to TIME “TO_DATE (‘08/20/12’ , ‘MM/DD/YY’)”; Examine following commands: 1. ALTER PLUGGABLE DATABASE ALL OPEN; 2. ALTER DATABASE OPEN; 3. ALTER DATABASE OPEN RESETLOGS; Which command or commands should you execute next to allow updates to the flashback back schema?()
    A

    Only 1

    B

    Only 2

    C

    Only 3

    D

    3 and 1

    E

    1 and 2


    正确答案: E
    解析: 暂无解析

  • 第9题:

    多选题
    Which three statements are true about the working of system privileges in a multitenant control database(CDB) that has pluggable databases (PDBs)?()
    A

    System privileges apply only to the PDB in which they are used.

    B

    Local users cannot use local system privileges on the schema of a common user.

    C

    The granter of system privileges must possess the set container privilege.

    D

    Common users connected to a PDB can exercise privileges across other PDBs.

    E

    System privileges with the with grant option container all clause must be granted to a common user before the common user can grant privileges to other users.


    正确答案: B,A
    解析: 暂无解析

  • 第10题:

    单选题
    You have a range-partitioned table in your database. Each partition in the table contains the sales data for a quarter.  The partition related to the current quarter is modified frequently and other partitions undergo fewer data manipulations. The preferences for the table are set to their default values. You collect statistics for the table using the following command in regular intervals: SQL> EXECUTE  DBMS_STATS.GATHER_TABLE_STATS(’SH’,’SALES’,GRANULARITY=>’GLOBAL’);   You need statistics to be collected more quickly.  What can you do to achieve this?()
    A

     Set DYNAMIC_SAMPLING to level 4

    B

     Set the STATISTICS_LEVEL parameter to BASIC

    C

     Set the INCREMENTAL value to TRUE for the partition table

    D

     Increase the value of STALE_PERCENT for the partition table


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN. Examine the following command and its output: You execute the following command: RMAN > BACKUP DATABASE PLUS ARCHIVELOG; Which data files will be backed up?()
    A

    Data files that belong to only the root container

    B

    Data files that belong to the root container and all the pluggable databases (PDBs)

    C

    Data files that belong to only the root container and PDB$SEED

    D

    Data files that belong to the root container and all the PDBs excluding PDB$SEED


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    To make audit information more productive, the DBA executes the following command before starting an auditoperation: SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB,EXTENDED SCOPE=SPFILE; Which statement is true regarding the audit record generated when auditing starts after restarting Thedatabase()
    A

    It contains only the plan for the SQL statement executed by the user.

    B

    It contains the SQL text executed by the user and the bind variables used with it.

    C

    It contains the plan and statistics associated with the SQL statement executed by the user.

    D

    It contains the plan for the SQL statement executed by the user and the bind variables used with it


    正确答案: C
    解析: 暂无解析

  • 第13题:

    To make audit information more productive, the DBA executes the following command before startingan audit operation:  SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB,EXTENDED SCOPE=SPFILE;  Which statement is true regarding the audit record generated when auditing starts after restarting thedatabase()

    • A、It contains only the plan for the SQL statement executed by the user.
    • B、It contains the SQL text executed by the user and the bind variables used with it.
    • C、It contains the plan and statistics associated with the SQL statement executed by the user.
    • D、It contains the plan for the SQL statement executed by the user and the bind variables used with it.

    正确答案:B

  • 第14题:

    You have joined a new organization as a Database Administrator. The Security Administrator in your organization has kept human errors, such as erroneously dropping users, tables, and important data, to a minimum by carefully granting only the necessary privileges to each user. As a result of several ongoing transactions within your database, you discover that the flashback logs are rapidly increasing in the flash recovery area. To avoid out-of-space errors, you decide to delete the flashback logs from the flash recovery area. How can you delete the flashback logs from the database if your database is up and running?()

    • A、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
    • B、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement while the database is up and running.
    • C、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command. Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
    • D、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.

    正确答案:A

  • 第15题:

    You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?()

    • A、Set MEMORY_TARGET to zero
    • B、Set the STATISTICS_LEVEL parameter to BASIC
    • C、Set the WORKAREA_SIZE_POLICY parameter to MANUAL
    • D、Set the PGA_AGGREGATE_TARGET parameter to nonzero value

    正确答案:D

  • 第16题:

    You decided to increase the value for the SHARED_SERVERS parameter by using the following command:  SQL> ALTER SYSTEM SET SHARED_|SERVERS=3 SCOPE=?;  Which three values can be specified for the SCOPE clause?()

    • A、ALL
    • B、PFILE
    • C、BOTH
    • D、NONE
    • E、SPFILE
    • F、MEMORY
    • G、INSTANCE
    • H、DATABASE

    正确答案:C,E,F

  • 第17题:

    You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.You issue the following statements: SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM; SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT; For which database users is the audit policy now active?()

    • A、All users except SYS
    • B、All users except SCOTT
    • C、All users except sys and SCOTT
    • D、All users except sys, system, and SCOTT

    正确答案:B

  • 第18题:

    单选题
    You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true about the result of this command?()
    A

    The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened.

    B

    The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened.

    C

    The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted.

    D

    Nothing happens; because there is no SPFILE for each PDB, the statement is ignored.


    正确答案: C
    解析: 暂无解析

  • 第19题:

    多选题
    Your multitenant container database (CDB) contains some pluggable databases (PDBs), you execute the following command in the root container: Which two statements are true?()
    A

    Schema objects owned by the C# # A_ADMIN common user can be shared across all PDBs.

    B

    The C # # A_ADMIN user will be able to use the TEMP_TS temporary tablespace only in root.

    C

    The command will, create a common user whose description is contained in the root and each pdb.

    D

    The schema for the common user C # # A_ADMIN can be different in each container.

    E

    The command will create a user in the root container only because the container clause is not used


    正确答案: A,D
    解析: 暂无解析

  • 第20题:

    单选题
    You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?()
    A

     Set MEMORY_TARGET to zero

    B

     Set the STATISTICS_LEVEL parameter to BASIC

    C

     Set the WORKAREA_SIZE_POLICY parameter to MANUAL

    D

     Set the PGA_AGGREGATE_TARGET parameter to nonzero value


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    You have joined a new organization as a Database Administrator. The Security Administrator in your organization has kept human errors, such as erroneously dropping users, tables, and important data, to a minimum by carefully granting only the necessary privileges to each user. As a result of several ongoing transactions within your database, you discover that the flashback logs are rapidly increasing in the flash recovery area. To avoid out-of-space errors, you decide to delete the flashback logs from the flash recovery area. How can you delete the flashback logs from the database if your database is up and running?()
    A

     Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.

    B

     Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement while the database is up and running.

    C

     Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command. Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.

    D

     Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    You are connected using SQL* Plus to a multitenant container database (CDB) with SYSDBA privilegesand execute the following sequence statements:What is the result of the last SET CONTAINER statement and why is it so?()
    A

    It succeeds because the PDB_ADMIN user has the required privileges.

    B

    It fails because common users are unable to use the SET CONTAINER statement.

    C

    It fails because local users are unable to use the SET CONTAINER statement.

    D

    If fails because the SET CONTAINER statement cannot be used with PDB$SEED as the target pluggable database (PDB).


    正确答案: D
    解析: 暂无解析

  • 第23题:

    多选题
    You decided to increase the value for the SHARED_SERVERS parameter by using the following command:  SQL> ALTER SYSTEM SET SHARED_|SERVERS=3 SCOPE=?;  Which three values can be specified for the SCOPE clause?()
    A

    ALL

    B

    PFILE

    C

    BOTH

    D

    NONE

    E

    SPFILE

    F

    MEMORY

    G

    INSTANCE

    H

    DATABASE


    正确答案: C,B
    解析: 暂无解析

  • 第24题:

    单选题
    To make audit information more productive, the DBA executes the following command before startingan audit operation:  SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB,EXTENDED SCOPE=SPFILE;  Which statement is true regarding the audit record generated when auditing starts after restarting thedatabase()
    A

    It contains only the plan for the SQL statement executed by the user.

    B

    It contains the SQL text executed by the user and the bind variables used with it.

    C

    It contains the plan and statistics associated with the SQL statement executed by the user.

    D

    It contains the plan for the SQL statement executed by the user and the bind variables used with it.


    正确答案: B
    解析: 暂无解析