You issue the following command in Oracle: CREATE TABLESPACE DAT_TBS DATAFILE "dat_tbs.dbf" SIZE 2M;. Later queries against the database reveal that the tablespace is located in the /u01/oradata/oracle directory. Which of the following choices identifies how Oracle likely determined what directory to place dat_tbs.dbf file in?（）

Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data01.dbf’； Which command do you need to issue before you issue the above command， so that RMAN finds the file in the restored location of ’DISK2/user_data01.dbf’？ （）

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Another DBA issues a shutdown abort command on a database on which you were running an online backup. What will happen when you try to restart the database？（）  

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What command would you issue to enable automated backups of control files? （）

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What command would you issue to enable automated backups of control files？（）  

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You issued the following command： ALTER DATABASE ENABLE BLOCK CHANGE TRACKING；  What will be the result of issuing this command？（）

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You are maintaining your Oracle10g database in the UNIX environment. An application requires one of the user sessions to exist in the operating system local time zone. You decide to set the time zone for a session using the operating system environment variable. Which command will you issue？（）  

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

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Which feature is enabled when you start a WebLogic server with the ¨CDserverType=wlx option?（）

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Which of the following would you use to enable automatic media recovery for a database？（）

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Which object is added to a form module when you copy the reusable calender class?（）

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