多项选择题Identify two situations in which the block header grows in a data block. ()

A.when row directories need more row entries
B.when there is row migration in the data block
C.when there is an increase in the PCTFREE value for the data block
D.when more transaction slots are required than are initially configured


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1.多项选择题Which two statements are true regarding a tablespace()

A.It can span multiple databases.
B.It can consist of multiple data files.
C.It can contain blocks of different sizes.
D.It can contain segments of different sizes.
E.It can contain a part of a nonpartitioned segment.

2.单项选择题

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 SGA
B.to limit the amount of memory to be used for the dispatcher queue of a session in SGA
C.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

3.单项选择题

Your database instance is currently configured to support 1,500 connections. The Web applicationthat uses the database allows a large number of users to work with the database simultaneously. Someusers of the Web application do not interact with the server all the time. 
You want to increase the scalability by configuring the database instance to handle more connections. Asa DBA, 
which configuration would you set to support more than 1,500 connections at a time()

A.You would configure more listeners for the database.
B.You would configure the database in shared server mode to use the connection pooling feature.
C.You would increase the value of the PGA_AGGREGATE_TARGET initialization parameter that assigns more session memory to users.
D.You would decrease the value of the PRIVATE_SGA resource limit in the profiles used by the users to accommodate more session information.

5.单项选择题In which situation would you use static database registration for a listener()

A.when multiple databases are to be registered with the listener
B.when DBAs need to connect remotely to start up the database instance
C.when users need to connect the database instance using the host naming method
D.when the database instance that is to be registered with the listener is configured in shared server mode

6.多项选择题

View the Exhibit and examine the output. 

Which two statements are true regarding the LISTENER2 listener()

A.The ORCL instance is registered dynamically with the listener.
B.The ORCL instance is registered statically in the listener.ora file.
C.The number of current client connections handled by the service handler is two.
D.The total number of client connections handled so far by the service handler is two.

7.单项选择题

Your database is open and the LISTENER listener is running. The new DBA of the system stops thelistener by using the command: 
LSNRCTL> STOP 
What happens 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 sessions are terminated and the active transactions are rolled back.
D.The sessions are not allowed to perform any operations till the listener is started.

8.单项选择题

What could be the reason for this()

A.The listener is not running on the database node.
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.

10.多项选择题Which two statements are true regarding listeners()

A.Listeners use only the TCP/IP protocol.
B.Multiple listener processes can run simultaneously on a host.
C.Multiple database instances can be registered with a single listener.
D.The listener-related errors can be traced only at the administrative level.
E.Only one database instance can be registered with a single listener at any time.

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Which  statements are true regarding a tablespace()

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Automatic Shared Memory Management is disabled for your database instance. You realize that there arecases of SQL statements performing poorly because of repeated parsing activity, resulting in degradation ofperformance. What would be your next step to improve performance()

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The user HR receives the following error while inserting data into the TTK table:ERROR at line 1:ORA-01653: unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation, you find that SMDis a small file tablespace.Which three action would allow the user to insert data()

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You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows:Warning (%): 90Critical (%): 95Which background process is responsible for issuing alerts when the threshold is crossed()

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Your database is functional with a peak load for the last one hour. You want to preserve the performancestatistics collected during this period to be used for comparison when you analyze the performance of thedatabase in the future. What action would you take to achieve this task()

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View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes, youexecuted the following command:SQL> SELECT reason,metric_value FROM dba_outstanding_alerts; REASON METRIC_VALUE------------------------------ ---------------------- Tablespace [TEST] is [28 perce 28.125 nt] fullWhat could be the reason for the elimination of the other rows in the output()

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Examine the command that is used to create a table:SQL> CREATE TABLE orders(oid NUMBER(6) PRIMARY KEY, odate DATE, ccode NUMBER (6), oamtNUMBER(10,2)) TABLESPACE users;Which two statements are true about the effect of the above command()

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In a new installation of Oracle Database 11g, you perform these activities:1. Organize software and data on different subdirectories to avoid poor performance.2. Use consistent naming conventions for database files.3. Separate administrative information pertaining to the database in different directories. Which optioncorresponds to the type of activities you performed()

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