单项选择题
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
单项选择题 You are in the middle of a transaction updating a very important table. The machine on which a database wasrunning reboots because of power outage. This caused a database instance failure. Which statement is true inthis situation（）
单项选择题 Examine the following steps performed on a database instance： 1. The DBA grants the CREATE TABLE system privilege to the SKD user with ADMIN OPTION. 2. The SKD user creates a table. 3. The SKD user grants the CREATE TABLE system privilege to the HR user. 4. The HR user creates a table. 5. The DBA revokes the CREATE TABLE system privilege from SKD. Which statement is true after step 5 isperformed（）
多项选择题 YouaremanaginganOracleDatabase11gdatabasewiththefollowingbackupstrategy：1）OnSunday，anincrementallevel0tapebackupisperformed.2）MondaythroughSaturday，acumulativeincrementallevel1tapebackupisperformed.Whichtwostatementsaretrueregardingthebackupsperformed（）