You executed the following procedure to collect statistics regarding an index：       SQL>ANALYZE INDEX EMP_ID VALIDATE STRUCTURE；   Which view will you use to determine whether you need to rebuild the index or not？（） 

You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（）

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You executed the following commands to find the location of the alert log file： Where is the alert log file stored（）

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You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（） 

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You execute this command in MOUNT mode： ALTER DATABASE ARCHIVELOG；  Where is the information that the database is now in ARCHIVELOG mode stored？（）

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When executing a SQL workload，you choose to generate execution plans only， without collecting execution statistics.  Which two statements describe the implications of this？（）

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Before a Flashback Table operation，you execute the following command：   ALTER TABLE employees ENABLE ROW MOVEMENT；   Why would you need this to be executed？（）  

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You execute the following command to start an Automatic Storage Management （ASM） instance：   SQL>STARTUP；   In which of the following modes will the ASM instance start？（）

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You executed the following code：   BACKUP VALIDATE DATABASE；   BLOCKRECOVER CORRUPTION LIST；  What will be the result of executing the above code？（）  

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You executed the following query in your database：  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output？（）

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You discover that your Recycle Bin contains two tables with the same name， MY_TABLE. You also have a table named MY_TABLE in your schema. You execute the following statement：   FLASHBACK TABLE my_table TO BEFORE DROP RENAME TO my_table2；   What will be the result of executing this statement？（）

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