單項選擇題

You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this？（）

A.Use the Database Resource Manager.
B.Set the limits in the profiles used by users.
C.Modify the SESSIONS initialization parameter.
D.Set the warning threshold for the Current Logons Count metric.

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多項選擇題

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.

單項選擇題

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；

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You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this？（）

你可能感興趣的試題

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？ （）

You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this？（）

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？（）