Which two statements are true regarding the MRKT tablespace（）
A.No more data files can be added to the tablespace.
B.Segment space is managed by free lists in the tablespace.
C.A user created without being assigned a default tablespace uses this tablespace.
D.The tablespace can be dropped with the current setting with segments present in it.
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You execute the following command to change the status of the SALES tablespace：
SQL> ALTER TABLESPACE sales OFFLINE；
Which statements describe the effect of the command（）
A.The tablespace would require recovery to go back online.
B.A checkpoint is taken on all data files that are associated with the SALES tablespace.
C.The sessions that subsequently try to access the objects in the SALES tablespace receive an error.
D.The new status of the SALES tablespace is recorded in the control file when the database instance is closed.
You execute a command to resize a data file， sales.dbf， of size 200 MB in your database： ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M；
Which statement is true about this command（）
A.The command must be issued in MOUNT state.
B.The command succeeds only if the data file is offline.
C.The command must be issued when the database is in the archivelog mode.
D.The command succeeds if no extent in the tablespace is currently allocated above the 150 MB boundary of the file.
Which statement is true regarding the effect of this command on the transaction in Scott’s session（）
A.The command fails as a transaction is still pending.
B.The transaction in Scott’s session is rolled back and the tablespace becomes read-only.
C.The command waits and the user SCOTT can execute data manipulation language （DML） statements only as part of the current transaction.
D.The command hangsuntil all transactions on the objects in the tablespace commit or rollback， and then the tablespace is placed in read-only mode.
A.Undo tablespace
B.USERS tablespace
C.SYSAUX tablespace
D.SYSTEM tablespace
E.Temporary tablespace
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
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.
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
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.
You have two database servers SEMP and SACCT. The database in the SEMP server maintains theemployee information and the database in the SACCT server maintains the accounts payable
information.The employees submit the expense reports to the accounts payable department. A user of the accountspayable database wants to extract the employee information from the database in the SEMP server for cross-verification.
Which schema object enables the user to access the information from the remote database（）
A.Cluster
B.Database link
C.Mapping table
D.Materialized view
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
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Which statements are true regarding the Oracle Data Pump export and import operations（）
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（）
In which situation is the UNDO_RETENTION parameter be ignored， even if it is set to a value（）
User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK， orany data definition language （DDL） command：SQL> SELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno；SCOTT has opened another session to work with the database instance. Which three operations would waitwhen issued in SCOTT’s second session（）
You set the following parameters in the parameter file and restarted the database：MEMORY_MAX_TARGET=0MEMORY_TARGET=500MPGA_AGGREGATE_TARGET=90MSGA_TARGET=270MWhich two statements are true about these parameters after the database instance is restarted（）
View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is owned by theSCOTT user. The SL_REP user executes the following command：SQL> GRANT SELECT ON scott.emp TO hr；Which statement describes the outcome of the command（）
Which statements are true about logical structures of the Oracle database（）
You want to configure and schedule offline database backups to run automatically. Which tool or utility wouldyou use to achieve this（）
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（）
The session of user SCOTT receives the following error after executing an UPDATE command on the EMPtable：ERROR at line 1：ORA-00060： deadlock detected while waiting for resource On investigation， you find that a session opened byuser JIM has a transaction that caused the deadlock. Which two statements are true regarding the session ofSCOTT in this scenario（）