Which two operations can be performed on an external table（）

A . application layer B . session layer C . transport layer D . network layer E . datalink layer F . physical layer

A . = B . LIKE C . BETWEEN D . NOT IN E . IS F . <&gt

A . The clients must be created manually on the test machines to perform more realistic testing. B . Restart the database in RESTRICTED mode before beginning workload replay to enable a clean state for workload replay. C . Restart the database in RESTRICTED mode before beginning workload capture to enable a clean state for capturing the workload. D . The application state of the capture system must be identical to the application state of the replay system when the workload replay begins.

A . committing a transaction B . rolling back a transaction C . recovering from failed transactions D . recording a transaction to redo log files E . rolling forward during instance recovery

A . application layer B . session layer C . transport layer D . network layer E . datalink layer F . physical layer

A . data files B . control file C . password file D . online redo log files E . initialization parameter file

A . improving business processes B . making existing resources more productive C . offering enhanced customer service D . providing flexible channel and delivery optio

A . copier B . microwave oven C . toaster D . cordless phone E . IP phone F . AM radio

A . copier B . microwave oven C . toaster D . cordless phone E . IP phone F . AM radio

A . Only the FTP PUT operation type is supported. B . Active mode is supported. C . Passive FTP transfer modes are supported. D . FTP URL specified for the FTP GET operation is not supported.

A . copier B . microwave oven C . toaster D . cordless phone E . IP phone F . AM radio

A . Merge partitions of a list partitioned table B . Drop partitions of a list partitioned table C . Coalesce partitions of a hash-partitioned global index. D . Move partitions of a range-partitioned table E . Rename partitions of a range partitioned table F . Merge partitions of a reference partitioned index

A .  The clients must be created manually on the test machines to perform more realistic testing. B .  Restart the database in RESTRICTED mode before beginning workload replay to enable a clean state for workload replay. C .  Restart the database in RESTRICTED mode before beginning workload capture to enable a clean state for capturing the workload. D .  The application state of the capture system must be identical to the application state of the replay system when the workload replay begins.

A . Creating the control file for the duplicate database B . Restoring the target data files to the duplicate database C . Performing complete recovery using all available backups D . Generating a new, unique DBID for the duplicate database E . Copying the online redo log files from the target database to the duplicate database

A . DROP USER SMITH； B . DROP TABLE EMPLOYEES； C . DROP TABLESPACE USERS； D . ALTER TABLE SALES_REP DROP PARTITION P1； E . ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID；

A . menu B . functions C . data group D . responsibility E . functional grou

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

A . exhaust gas temperature system B . exhaust load system C . constant or pulse pressure system D . constant volume system

A . The Operator can make fine internal adjustments to the transmitter as long as the output power does not change by more than one percent B . The Operator is responsible for ensuring that INMARSAT antennas are free of built-up soot and clear of obstacles C . All levels of maintenance must be performed by a licensed GMDSS Radio Maintainer D . The Operator may install an EPROM in order to ensure that the equipment continues to operate within legal constraint

A . Recovery is initiated using SQL*Plus. B . Database files are backed up using SQL commands. C . Database files are backed up with Recovery Manager. D . Database files are restored using Recovery Manager. E . Database files are backed up using operating system commands.

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.

A . A network administrator entering a wrong password would generate a true-negative alarm. B . A false positive alarm is generated when an IDS/IPS signature is correctly identified. C . An IDS is significantly more advanced over IPS because of its ability to prevent network attacks. D . Cisco IDS works inline and stops attacks before they enter the network. E . Cisco IPS taps the network traffic and responds after an attack. F . Profile-based intrusion detection is also known as "anomaly detection".

A . ALTER TABLE SPLIT PARTITION B . ALTER TABLE MERGE PARTITION C . ALTER TABLE TRUNCATE PARTITION D . ALTER TABLE ADD PARTITION E . ALTER TABLE DROP PARTITION F . ALTER TABLE MOVE PARTITION

A . renaming of data files B . dropping the database user C . renaming of control files D . multiplexing of control files E . configuring the database in ARCHIVELOG mode