A.You cannot export data from a remote database.
B.You can rename tables during an import operation.
C.You can overwrite existing dump files during an export operation.
D.You can compress the data during export but not the metadata because it is not supported.
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You have created a database link， devdb.us.oracle.com， between the databases PRODDB and DEVDB. You want to import schema objects of the HR user using Oracle Data Pump from thedevelopment database， DEVDB， to the production database， PRODDB. You execute the following command on the target database server：
$impdp system/manager directory = DB_DATA dumpfile = schemas.dat schemas = hr
flashback_time = 2004-02-03 09：00
The command fails， displaying the following error： ORA-39001： invalid argument value
ORA-39000： bad dump file specification
ORA-31640： unable to open dump file “/home/oracle/schema/schemas.dat” for read ORA-27037： unable to obtain file status What would you do to overcome the error（）
A.remove the dumpfile option in the command
B.remove the flashback_time option in the command
C.remove the dumpfile option and add the network_link = devdb.us.oracle.com option in the command（Replace thedumpfile option with the network_link = devdb.us.oracle.com）
D.add the user， SYSTEM， to the schemas option in the command
E.remove the schemas option and add the network_link = devdb.us.oracle.com option in the command
F.add network_link = devdb.us.oracle.com option in the command
You want to move all objects of the APPS user in the test database to the DB_USER schema of theproduction database.
Which option of IMPDP would you use to accomplish this task（）
A.FULL
B.SCHEMAS
C.TRANSFORM
D.REMAP_SCHEMA
E.REMAP_TABLESPACE
A.if a table is not in a cluster
B.if a table has an active trigger
C.if a table has an encrypted
D.if a table has a column of data type LONG defined on it
E.if a table has a referential integrity constraint defined on it
A.EXPDP and IMPDP are the client components of Oracle Data Pump.
B.DBMS_DATAPUMP PL/SQL packages can be used independently of the Data Pump clients.
C.Oracle Data Pump export and import operations can be performed only by users with the SYSDBA privilege.
D.Oracle Data Pump imports can be done from the export files generated in the export utility of previous versions.
E.EXPDP and IMPDP use the procedures provided by DBMS_METADATA to execute export and import commands.
A.You can load data into multiple tables during the same load session.
B.You can load data from multiple files to a table during the same load session.
C.You cannot perform selective data loading based on the values available in the records.
D.You can use an export file generated by the EXPDP utility as an input data file to load the data.
E.You can load data only if the input file is available on the disk and tape but not in a named pipes.
A.Redo is not generated while performing conventional path loads.
B.Only PRIMARY KEY， UNIQUE KEY， and NOT NULL constraints are checked.
C.No exclusive locks are acquired when the conventional path loads are performed.
D.Instead of performing transactions， SQL*Loader directly writes data blocks to the data files.
E.INSERT triggers are disabled before the conventional path load and reenabled at the end of the load.
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.
You have a large amount of historical data in a flat file. Some analysts in your organization need toquery this data in the file. The file is too large to load the data in it into your current database.
Which is the most effective method to access this data in your database（）
A.Use the database link.
B.Use the SQL*Loader utility.
C.Use the Oracle Data Pump utility.
D.Create an external table and leave the data in the flat file
You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader directpath load method to perform this task. The table in which you plan to load data is an important tablehaving various integrity constraints defined on it.
Which constraints will remain enabled by default during this operation（）
A.CHECK
B.UNIQUE
C.NOT NULL
D.PRIMARY KEY
E.FOREIGN KEY
You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance， you plan to move the data from the flat files toclustered tablesin an Oracle database.
While migrating the data， you want to have minimal impact on the database performance and optimize thedata load operation.
Which method would you use to load data into the Oracle database（）
A.Use the external table population.
B.Use the Oracle Data Pump export and import utility.
C.Use the conventional path data load of the SQL*Loader utility.
D.Use the INSERT INTO...SELECT command to load the data.
最新试题
Which statements regarding the server parameter file （SPFILE） are true（）
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（）
Which statements are true regarding listeners（）
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（）
After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL> ALTER DATABASE OPEN；Which two statements are true（）
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（）
You configured the Flash Recovery Area （FRA） for your database. The database instance is running inARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which twofiles are removed automatically if the space is required in the FRA as per the retention policy（）
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（）
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（）
You have two database servers SEMP and SACCT. The database in the SEMP server maintains the employeeinformation and the database in the SACCT server maintains the accounts payable information. The employeessubmit the expense reports to the accounts payable department. A user of the accounts payable databasewants to extract the employee information from the database in the SEMP server for cross-verification. Whichschema object enables the user to access the information from the remote database（）