单选题The user is trying to execute a SELECT statement. Which of the following background processes will obtain data from a disk for the user?（）A DISPATCHER B USER C SERVER D LGWR EDBW0

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单选题

The user is trying to execute a SELECT statement. Which of the following background processes will obtain data from a disk for the user?（）

DISPATCHER

USER

SERVER

LGWR

DBW0

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第1题

单选题The user is trying to execute a SELECT statement. Which of the following background processes will obtain data from a disk for the user?（）A DISPATCHER B USER C SERVER D LGWR EDBW0

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第2题

单选题Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data01.dbf’； Which command do you need to issue before you issue the above command， so that RMAN finds the file in the restored location of ’DISK2/user_data01.dbf’？（）A RESTORE DATAFILE ’/DISK2/user_data01.dbf’B RESTORE DATAFILE ’/DISK3/user_data01.dbf’C SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’D SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf’

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第3题

单选题Which of the following statements allows USER1 to take away read access on the table ORG.TAB1 from USER2?（）A REVOKE SELECT FROM user2 ON TABLE org.tab1B REVOKE SELECT ON TABLE org.tab1 FROM user2C REVOKE READ ACCESS FROM user2 ON TABLE org.tab1D REVOKE READ ACCESS ON TABLE org.tab1 FROM user2

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第4题

多选题Which four occur during the processing of a request using Oracle Shared Server？（）AThe dispatcher returns the response to the user.BThe dispatcher places the request into the request queue.CThe shared server places the response in the response queue.DThe response is handed off to the next available dispatcher.EA shared server picks up the request from the request queue and processes the request.

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第5题

单选题Which statement is true regarding Oracle Shared Server architecture？（）A A dispatcher can support multiple client connects concurrently while a shared server process can be dedicated to only one dispatcher. B Under the Oracle Shared Server architecture, client-user processes connect to shared user processes.C Each dispatcher has its own request queue, which is monitored every three seconds by the dispatcher. D Oracle Shared Server required Oracle Net Service even if the client and shared server processes reside on the same machine.

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第6题

单选题Which of the following statements is used to revoke all DML privileges on table EMPLOYEE from user TOM?（）A REVOKE ALL PRIVILEGES FROM USER tomB REVOKE ALL ON EMPLOYEE FROM USER tomC REVOKE EXECUTE ON EMPLOYEE FROM USER tomD REVOKE PRIVILEGES ON EMPLOYEE FROM USER tom

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第7题

单选题Your database interface is running. A user SCOTT starts a SQL *Plus session， and issues the following query： SQL> SELECT * FROM sales； Which process would retrieve the result from the database and return it to the client program？（）AUser processBServer processCSystem Monitor （SMON）DProcess Monitor （PMON）ECheckpoint process （CKPT）

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单选题The user is trying to execute a SELECT statement. Which of the following background processes will obtain data from a disk for the user?（）A DISPATCHER B USER C SERVER D LGWR E DBW0

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