Automatic Shared Memory Management (ASMM) has been enabled for your database instance. The initialization parameters for the components that are managed by ASMM are not set. After observing the effectsof ASMM, you executed the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;
Which statement is true in this scenario()
A.The minimum memory size for the database buffer cache is set to 100 mb.
B.The maximum memory size that can be obtained by the database buffer cache during ASMM is set to 100mb
C.The minimum memory size allocated for a server process in the database buffer cache in dedicated modeis set to 100 mb.
D.The maximum memory size from the database buffer cache that can be released for dynamic distributionduring ASMM is set to 100 mb
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A.It transfers statistics from memory to disk at regular intervals.
B.It coordinates the rebalance activity for disk groups when ASM is used.
C.It communicates with the Automatic Storage Management （ASM） instance on behalf of the database Instance.
D.It performs dynamic memory management when Automatic Shared Memory Management is enabled for the Database instance
A.It can be increased up to the value of the SGA_MAX_SIZE parameter.
B.Increasing the value of the SGA_TARGET parameter distributes the increased memory among all the Autotuned components.
C.Reducing the value of the SGA_TARGET parameter deallocates memory from both autotuned and Manually sized components.
D.Increasing the value of SGA_TARGET up to the value of SGA_MAX_SIZE disables the automatic shared Memory management feature.
A.Recover from failures in the RAC environment.
B.Diagnose and repair a data file corruption online.
C.Diagnose and repair a data file corruption offline.
D.Diagnose and repair failures on a standby database
A.Committing a transaction
B.Flashing back a transaction
C.Recovering a failed transaction
D.Running a read-consistent query
E.Changing a tablespace status from READ ONLY to READ WRITE
You configured the Flash Recovery Area for your database. The database instance has been started inARCHIVELOG mode and the LOG_ARCHIVE_DEST_1 parameter is not set.
What will be the implications onthe archiving and the location of archive redo log files（）
A.Archiving will be disabled because the destination for the redo log files is missing.
B.The database instance will shut down and the error details will be logged in the alert log file.
C.Archiving will be enabled and the destination for the archived redo log file will be set to the Flash RecoveryArea implicitly.
D.Archiving will be enabled and the location for the archive redo log file will be created in the default location$ORACLE_HOME/log.
A.Shared SQL Area will be allocated in the shared pool.
B.Shared SQL Area will be allocated when a session starts.
C.Shared SQL Area will be allocated in the large pool always.
D.The whole of Private SQL Area will be allocated in the Program Global Area （PGA） always.
E.Shared SQL Area and Private SQL Area will be allocated in the PGA or large pool.
F.The number of Private SQL Area allocations is dependent on the OPEN_CURSORS parameter.
Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client
whileconnecting to the database instance from a remote machine（）
A.Host naming method
B.Local naming method
C.External naming method
D.Directory naming method
You execute this command to drop the ITEM table， which has the primary key referred in the ORDERS table：SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE；
Which two statements are true about theeffect of the command（）
A.No flashback is possible to bring back the ITEM table.
B.The ORDERS table is dropped along with the ITEM table.
C.The dependent referential integrity constraints in the ORDERS table are disabled.
D.The dependent referential integrity constraints in the ORDERS table are removed.
E.The table definition of the ITEM table and associated indexes are placed in the recycle bin
You want to import schema objects of the HR user using Oracle Data Pump from the development database，DEVDB， to the production database， PRODDB. A database link devdb.us.oracle.com is created betweenPRODDB and DEVDB. You execute the following command on the PRODDB database server：$ impdp system/manager directory = DB_DATAdumpfile = schemas.datschemas = hr
flashback_time = "TO_TIMESTAMP（’25-08-2007 14：35：00’， ’DD-MM-YYYY HH24：MI：SS’）"The command fails displaying the following error：ORA-39001： invalid argument valueORA-39000： bad dump file specification
ORA-31640： unable to open dump file "/home/oracle/schema/schemas.dat" for read ORA-27037： unable toobtain file status
What would you do to overcome the error（）
A.Add the user， SYSTEM， to the schemas option.
B.Add the network_link = devdb.us.oracle.com option.
C.Change the dumpfile option to schema.dat@devdb.us.oracle.com.
D.Replace the schemas option with the network_link = devdb.us.oracle.com
E.Replace the dumpfile option with the network_link = devdb.us.oracle.com
Which two operations can be performed on an external table（）
A.Create a view on the table.
B.Create an index on the table.
C.Create a synonym on the table.
D.Add a virtual column to the table.
E.Update the table using the UPDATE statement.
F.Delete rows in the table using the DELETE command
最新试题
Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace.Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）
View the Exhibit and examine the attributes of an undo tablespace. In an OLTP system, the user SCOTT hasstarted a query on a large table in the peak transactional hour that performs bulk inserts. The query runs formore than 15 minutes and then SCOTT receives the following error:ORA-01555: snapshot too oldWhat could be the reason for this error（）
All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL> UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.SQL> DELETE FROM persons WHERE exp=’Y’；3 rows deleted.The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands（）
View the Exhibit. You are creating an additional database by using the Database Configuration Assistant（DBCA）. You opted to create a General Purpose database and during the database creation realize that theBlock Size field is not enabled. What could be the reason for this（）
Which statements are true about checkpointing（）
You want to configure and schedule offline database backups to run automatically. Which tool or utility wouldyou use to achieve this（）
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（）
In which situation is the UNDO_RETENTION parameter be ignored， even if it is set to a value（）
You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）
Identify the situations in which you use the alert log file in your database to check the detail.（）