You have two databases， FINDB and PAYDB， on single operating system and using Optimal Flexible architecture （OFA）. FINDB is functional and is currently being accessed by the users. While starting up the instance for the PAYDB database you get the following error：  ORA-01081： cannot start - already running ORACLE - shut it down first  Which environmental variable would you set before starting up the PAYDB database to overcome this error？（）

Which two roles or privileges must you have to export tables owned by another user？（）

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You have configured Automatic Shared Memory Management. Which four memory structures would be automatically tuned？ （）

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You have 100 segments in the USERS tablespace. You realize that the USERS tablespace is running low on space. You can use Segment Advisor to（）.

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You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）

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You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem？（）

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You have lost datafile 4 from your database. Which is typically the fastest way to restore your database？（）  

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You specified segment space management as automatic for a tablespace. What effect would this have on space management？（）

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As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（）  

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You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）

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You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup？（）  

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