单选题
SQL*Loader reads a set of records from a file， generates INSERT commands， and passes them to the Oracle kernel. Oracle then finds places for those records in free blocks in the table and updates any associated indexes. Which SQL*Loader mode is used in this scenario？（）
direct-path load
conventional path load
多选题
Which three features are provided by Recovery Manager and NOT provided by user-managed backup and recovery？（）
Online backups.
Skipping unused block.
Partial database backups.
Incremental block-level backup.
Detection of corrupted blocks during backup.
多选题
Oracle Net is responsible for establishing and maintaining the connection between the client application and the server. On the client side， Oracle Net is responsible for which three connectivity issues？（）
The location of the server.
The Oracle user being connected.
Privileges and role information.
Protocol involved in the connection.
How to handle exceptions and interrupts.
单选题
As A DBA， which of the following methods can you use to make a backup of your table？（）
Recover Manager （RMAN） utility
Import utility
Export utility
O/S backup command
单选题
You are responsible for a data warehouse application that uses records from an external table to update one of the dimension tables periodically. The records in the external table may contain data for new rows in the dimension table， or for updates to its existing rows. Which type of SQL command would you use to transfer the data from the external table to the dimension table as efficiently as possible？（）
MERGE
SELECT …CROSS JOIN
INSERT ALL …SELECT
CREATE VIEW …CONSTRAINT
多选题
The database is running in NOARCHIVELOG mode. A data file is lost. Which two are valid options for recover？（）
Restore the data file and perform incomplete recovery.
Restore the data file and perform point-in-time recover.
Drop the tablespace and lose all data in the tablespace.
Restore the database and lose all data since the last backup.
单选题
You can control instance recover performance by setting parameters to define targets for（）
The size of the redo buffer in SGA.
The instance that will perform recovery in Real Application Cluster database.
The number of blocks to be read during instance recovery, or the time needed to complete instance recovery.
The number of passes through the redo logs made by the recovery process to identify blocks needing recovery.
单选题
Which dynamic performance view displays the information about the files associated with the locally managed temporary tablespaces in Oracle9i？（）
V$DATAFILE
V$TEMPFILE
V$DBFILE
V$DATAFILE_HEADER
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宋末元初四大家
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