單項選擇題

You work as a database administrator for Supportcenter.cn. In your organization， you have four databases， SupportCenter DB01， SupportCenter DB02， SupportCenter DB03， and SupportCenter DB04， which are located in Berlin， Frankfurt，Rammstein， and Munich respectively， and which were created using Database Configuration Assistant （DBCA）. You want to perform administrative tasks on these databases that include startup and shutdown， taking regular backups， and so on， fromFrankfurtusing Oracle tools. Which Oracle file would you enable to perform this task？（）

A.Control file
B.Password file
C.Parameter file
D.Online redo log file
E.Listener controller file
F.Server parameter file

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多項選擇題

You work as a database administrator for Supportcenter.cn. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）

A.Set the UNDO_RETENTION parameter to AUTO.
B.Create an initial undo segment in undotablespace.
C.Set the UNDO_RETENTION parameter to 900 or more
D.Set the initialization parameter UNDO_MANAGEMENT to AUTO
E.Set the UNDO_MANAGEMENT parameter to the name of an undotablespace

單項選擇題

You work as a database administrator for Supportcenter.cn. Because of space constraints， you decided to manually shrink the table. You executed the ALTER TABLE ....SHRINK SPACE statement to shrink the space and you receive an error as follows：
ERROR at Line 1：
ORA-10635： Invalid segment or tablespace type
What could be the reason？（）

A.The table is partitioned
B.The table name is wrong.
C.It is an index-Organized table （IOT）
D.The table is stored in locally managedtablespace.
E.The table is stored in atablespacewhere segment space is managed manually.

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You work as a database administrator for Supportcenter.cn. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）

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