单项选择题
While setting up an Oracle database for one of your critical applications， you want to ensure that the database is backed up at regular intervals without your intervention. What should you do to achieve the objective？（）
A.configure the database to run in ARCHIVELOG mode
B.configure the Flash Recovery Area to enable automatic database backup
C.schedule the database backup using DBMS_JOB package after creating the database
D.schedule the database backup using Recovery Manager （RMAN） commands after creating the database
E.schedule the database backup using Database Configuration Assistant （DBCA） while creating the database
相关考题
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多项选择题
UserScotthasupdatedthesalaryofoneoftheemployeesintheEMPLOYEEStableandhasnotcommittedthetransaction.Whatarethetwotypesoflocksthatthisscenariowouldleadto？（）
A.null lock on the row being updated
B.null lock on the table containing the row
C.ROW SHARE lock for the row being updated
D.ROW EXCLUSIVE lock for the row being updated
E.shared row-exclusive lock for the row being updated
F.a shareable table lock for the table containing the row
G.exclusive table-level lock for the table containing the row -
多项选择题
When you try to start the Database Control by using the emctl start dbconsole command the following error is displayed： TZ set to America/New_york OC4J Configuration issue. /u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.com not found. Which two environment variables do you need to set appropriately to avoid such errors，and start the Database Control successfully？（）
A.NLS_LANG
B.ORACLE_SID
C.ORACLE_HOME
D.ORACLE_BASE
E.LD_LIBRARY_PATH -
单项选择题
You need to rename a data file of a tablespace. How would you perform this？（）
A.A
B.B
C.C
D.D
