单项选择题

Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command:
LSNRCTL> STOP 
What would happen to the sessions that are presently connected to the database instance?()

A.The sessions are able to perform only queries.
B.The sessions are not affected and continue to function normally.
C.The active transactions are rolled back and the sessions get terminated.
D.The sessions are not allowed to perform any operations till the listener is started.


您可能感兴趣的试卷

你可能感兴趣的试题

1.单项选择题

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

2.多项选择题You plan to use static database registration for a new listener when you create it. What could be the two reasons for this?()

A.More than one database is to be registered with the listener.
B.The users will connect the database by using the host naming method.
C.The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.
D.The database that is to be registered with the listener is configured in shared server mode.
E.The listener is not configured on the default port of 1521 and the instance is not configured to register with a nondefault port.

3.多项选择题Which three statements are true regarding the fine­grained auditing (FGA)?()

A.FGA is possible on SELECT statements only.
B.The audit trail for FGA is stored in the FGA_LOG$ table.
C.The audit trail for FGA is stored in the AUD_LOG$ table.
D.FGA enables a SQL predicate to define when to audit an event.
E.FGA audits DELETE statements only when audit columns are specified.
F.FGA includes the SQL statement used by the user as part of the audit event entry.

4.单项选择题

The SAVE_AMT column in the ACCOUNTS table contains the balance details of customers in a bank. As part of the year­end tax and interest calculation process, all the rows in the table need to be accessed. The bank authorities want to track access to the rows containing balance amounts exceeding $200,000, and then send an alert message to the administrator. 
Which method would you suggest to the bank for achieving this task?()

A.implementing value­based auditing by using triggers
B.implementing fine­grained auditing with audit condition and event handler
C.performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL parameter to EXTENDED
D.performing standard database auditing to audit SQL statements with granularity level set to ACCESS

5.单项选择题

You execute the following command to audit the database activities: 
SQL> AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL; 
What is the effect of this command?()

A.One audit record is created for the whole session if user SCOTT successfully drops one or more tables in his session.
B.One audit record is created for every session when any user successfully drops a table owned by SCOTT.
C.One audit record is created for each successful DROP TABLE command executed by any user to drop tables owned by SCOTT.
D.One audit record is generated for the session when SCOTT grants the DROP ANY TABLE privilege to other users in his session.
E.One audit record is created for each successful DROP TABLE command executed in the session of SCOTT.

6.单项选择题

You find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason.
Which action would you consider to overcome the performance degradation?()

A.Configure Java Pool to cache the java objects.
B.Configure Streams Pool to enable parallel processing.
C.Increase Shared Pool size to cache more PL/SQL objects.
D.Increase Database Buffer Cache size to increase cache hits.
E.Configure Large Pool to be used by RMAN and shared server.
F.Increase the total System Global Area (SGA) size to increase memory hits.

7.多项选择题Which three statements are true regarding the logical structure of the Oracle database?()

A.Each segment contains one or more extents.
B.Multiple tablespaces can share single data file.
C.A data block is the smallest unit of I/O for data files.
D.It is possible to have tablespaces of different block sizes in a database.
E.Each data block in the database always corresponds to one OS block.

8.多项选择题Which two statements regarding the LOGGING clause of the CREATE TABLESPACE. .. statement are correct?()

A.This clause is not valid for a temporary or undo tablespace.
B.If the tablespace is in the NOLOGGING mode, no operation on the tablespace will generate redo.
C.The tablespace will be in the NOLOGGING mode by default, if not specified while creating a tablespace.
D.The tablespace­level logging attribute can be overridden by logging specifications at the table, index, materialized view, materialized view log, and partition levels.

9.多项选择题In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected?()

A.average row size
B.last analyzed date
C.size of table in bytes
D.size of table in database blocks
E.number of free blocks in the free list
F.number of extents present in the table

最新试题

The following are the details of your database:  Instance name:test  Host name:tech1.us.oracle.com  IP address:145.33.230.186 Enterprise Manager Console HTTP Port number:5500  You started the database instance and you want to manage your database remotely with Enterprise Manager through a Web browser. Which two URLs would you use to access the Database Control?()

题型:多项选择题

You started a long transaction. Before committing, you executed a query on one of the tables currently being modified. You received the following error:  ORA-01555: snapshot too old  How would you prevent such an error in the future?()

题型:多项选择题

A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the two effects of this command?()

题型:多项选择题

Which two statements regarding the LOGGING clause of the CREATE TABLESPACE. .. statement are correct?()

题型:多项选择题

Your database is running under automatic undo management and the UNDO_RETENTION parameter is set to 900 sec. You executed the following command to enable retention guarantee: SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE; What effect would this statement have on the database?()

题型:单项选择题

Which three statements are true regarding the logical structure of the Oracle database?()

题型:多项选择题

When you try to open your database, you receive the following error:  ORA-00205: error in identifying control file  Where would you find the details required to resolve this error?()

题型:单项选择题

The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column. Which type of index would you suggest to improve the query performance?()

题型:单项选择题

While setting up the database for your production environment, you want to create a user with following requirements.  1.The objects created by the user must be stored in a tablespace, TBS1, if the  TABLESPACE option is not defined during the object creation.  2.The user should be able to use 10MB of space in the tablespace TBS1.  3.The user must change the password immediately after logging in for the first time.  Which three options of the CREATE USER command would you use to achieve this objective?()

题型:多项选择题

Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning, media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.What would you do in this situation?()

题型:单项选择题