You issued the following statement：  SQL> ALTER DATABASE BAC

第1题：

You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What does the statement generate？（）

• A、A text copy of the control file.
• B、A binary copy of the control file.
• C、A file containing a SQL statement which will re-create the database.
• D、A file containing a SQL statement which will re-create the control file.

第2题：

RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database？（）

• A、’SQL ALTER DATABASE OPEN’；
• B、SQL ALTER DATABASE ’OPEN’；
• C、OPEN DATABASE；
• D、DATABASE OPEN

第3题：

第4题：

You issued the following statement：   SQL>ALTER DATABASE ENABLE RESUMABLE TIMEOUT n；   What will be the result of issuing the above statement？（）

• A、The command will not execute successfully because TIMEOUT is an invalid clause with the ALTER DATABASE ENABLE RESUMABLE command.
• B、 The command will not execute successfully because resumable space allocation is enabled at the session level.
• C、 The command will execute successfully and resumable space will be allocated at the session level.
• D、 The command will execute successfully and resumable space will be allocated at the instance level.

第5题：

You issued the following statement：  SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What will be the result of issuing the statement？（）  

• A、 The control file will be multiplexed.
• B、 The control file will be recreated.
• C、The script containing the CREATE CONTROLFILE statement will be created.
• D、 The binary backup of the control file will be created.

第6题：

Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?（）

• A、ALTER DATABASE DROP LOGFILE GROUP 1;
• B、ALTER DATABASE CLEAR LOGFILE GROUP 1;
• C、ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
• D、ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG

第7题：

You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）

• A、Immediately following statement execution 
• B、After the ALTER TABLE DROP UNUSED COLUMNS command is issued 
• C、After the ALTER TABLE SET UNUSED COLUMN command is issued 
• D、After the ALTER TABLE MODIFY command is issued

第8题：

You issued the following statement：   SQL> ALTER SESSION SET NLS_LANG=FRENCH_CANADA.WE8ISO8859P1；   Which parameter is NOT overridden by using the above statement？（）  

• A、 the value of the NLS_LANGUAGE variable
• B、 the value of the NLS_TERRITORY variable
• C、 the value of the NLS_CURRENCY variable
• D、the character encoding scheme used by the client application

第9题：

You issued the following statement in your SQL*Plus session：   SQL>ALTER SESSION ENABLE RESUMABLE TIMEOUT 600；   Which operation is neither suspended nor resumed using the Automatic Resumable Allocation feature in your database？（）

• A、 creating a table in your schema and you exceed your allocated space quota on the tablespace
• B、 executing a long query that involves a sort operation and the statement runs out of temporary space
• C、 loading data into tables by using the SQL*Loader and the number of extents in the table reaches the maximum limit
• D、 creating a table in a dictionary-managed tablespace with an explicit MAXEXTENTS setting which results in an out of space error

第10题：

You are managing a single instance Oracle 10g database that utilizes the following parameters：  Which of the following set of commands must you execute to enable Flashback Database？（）

• A、  STARTUP MOUNT EXCLUSIVE  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN；
• B、  STARTUP MOUNT  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN RESETLOGS；
• C、  STARTUP MOUNT EXCLUSIVE  ATLER DATABASE ARCHIVELOG；  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN RESETLOGS；
• D、  STARTUP MOUNT  ALTER DATABASE ARCHIVELOG；  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN；