多項(xiàng)選擇題

Which two statements regarding the LOGGING clause of the CREATE TABLESPACE... statement are correct？（）

A.This clause is not valid for a temporary or undo tablespace.
B.If the tablespace is in the NOLOGGING mode，no operation on the tablespace will generate redo.
C.The tablespace will be in the NOLOGGING mode by default，if not specified while creating a tablespace.
D.The tablespace-level logging attribute can be overridden by logging specifications at the table，index， materialized view，materialized view log，and partition levels.

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單項(xiàng)選擇題

Which two operations can be flashed back using the Flashback technology？（）

A.DROP USER SMITH；
B.DROP TABLE EMPLOYEES；
C.DROP TABLESPACE USERS；
D.ALTER TABLE SALES_REP DROP PARTITION P1；
E.ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID；

單項(xiàng)選擇題

Your database is having two control files， three redo log file groups with two members in each group. Failure of which file would cause an instance to shut down？（）

A.any control file
B.any archive log file
C.one of the redo log members
D.loss of the initialization parameter file
E.any data file belonging to the default permanent tablespac

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Which two statements regarding the LOGGING clause of the CREATE TABLESPACE... statement are correct？（）

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Which two operations can be flashed back using the Flashback technology？ （）

Your database is having two control files， three redo log file groups with two members in each group. Failure of which file would cause an instance to shut down？（）

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Which two statements regarding the LOGGING clause of the CREATE TABLESPACE... statement are correct？（）

Which two operations can be flashed back using the Flashback technology？（）

Your database is having two control files， three redo log file groups with two members in each group. Failure of which file would cause an instance to shut down？（）