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阅读同看电影、看录像、听音乐会有很大不同。后者是一块巨大的生日蛋糕，可以美味地共享；而前者只是

孤灯下的一盏清茶，只是独啜，仿佛倾听一个遥远的灵魂对你一个人窃窃私语，他在不同的时间对不同的人说过同样的话，但此时你感觉他只是在为你而歌唱。对这段文字概括最恰当的是()。

A．在阅读中最能体验孤独的滋味

B．阅读的收获难以与人分享

C．阅读的乐趣来源于内心的体会

D．阅读的魅力需独自品味

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更多“阅读同看电影、看录像、听音乐会有很大不同。后者是一块巨大的生…”相关的问题

第1题

Your multitenant container database （CDB) contains a pluggable database, HR_PDB. The defau

Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The default permanent tablespace in HR_PDB is USERDATA. The container database (CDB) is open and you connect RMAN.You want to issue the following RMAN command:RMAN > BACKUP TABLESPACE hr_pdb:userdata;Which task should you perform before issuing the command？（）

A. Place the root container in ARHCHIVELOG mode.

B. Take the user data tablespace offline.

C. Place the root container in the nomount stage.

D. Ensure that HR_PDB is open.

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第2题

Your multitenant container database （CDB) contains three pluggable database （PDBs). You fi

Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs.Which three steps should you perform to recover the control file and make the database fully operational？（）

A. Mount the container database (CDB) and restore the control file from the control file auto backup.

B. Recover and open the CDB in NORMAL mode.

C. Mount the CDB and then recover and open the database, with the RESETLOGS option.

D. Open all the pluggable databases.

E. Recover each pluggable database.

F. Start the database instance in the nomount stage and restore the control file from control file auto backup.

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第3题

Your multitenant container database （CDB) is running in ARCHIVELOG mode. You connect to th

Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN.Examine the following command and its output:You execute the following command:RMAN > BACKUP DATABASE PLUS ARCHIVELOG;Which data files will be backed up？（）

A. Data files that belong to only the root container

B. Data files that belong to the root container and all the pluggable databases (PDBs)

C. Data files that belong to only the root container and PDB$SEED

D. Data files that belong to the root container and all the PDBs excluding PDB$SEED

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第4题

Flashback is enabled for your multitenant container database （CDB), which contains two plu

Flashback is enabled for your multitenant container database (CDB), which contains two pluggable database (PDBs). A local user was accidently dropped from one of the PDBs.You want to flash back the PDB to the time before the local user was dropped. You connect to the CDB and execute the following commands:SQL > SHUTDOWN IMMEDIATE SQL > STARTUP MOUNT SQL > FLASHBACK DATABASE to TIME TO_DATE (‘08/20/12’ , ‘MM/DD/YY’)”;Examine following commands:1. ALTER PLUGGABLE DATABASE ALL OPEN;2. ALTER DATABASE OPEN;3. ALTER DATABASE OPEN RESETLOGS;Which command or commands should you execute next to allow updates to the flashback back schema？（）

A. Only 1

B. Only 2

C. Only 3

D. 3 and 1

E. 1 and 2

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第5题

In your multitenant container database （CDB) with two pluggable database （PDBs). You want to create a new PDB by using SQL Developer.Which statement is true？（）

A. The CDB must be open.

B. The CDB must be in the mount stage.

C. The CDB must be in the nomount stage.

D. Alt existing PDBs must be closed.

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第6题

In your multitenant container database （CDB) containing pluggable databases （PDB), users c

In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation.How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions？（）

A. It collects data from SGA and compares it with a preserved snapshot.

B. It collects data from SGA, analyzes it, and provides a report.

C. It collects data from SGA and compares it with the latest snapshot.

D. It collects data from both SGA and PGA, analyzes it, and provides a report

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第7题

In your multitenant container database （CDB) containing pluggable database （PDBs), you gra

In your multitenant container database (CDB) containing pluggable database (PDBs), you granted theCREATE TABLE privilege to the common user C A_ADMIN in root and all PDBs. You execute thefollowing command from the root container:SQL >REVOKE create table FROM C A_ADMIN;What is the result？（）

A. It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root only.

B. It fails and reports an error because the CONTAINER=ALL clause is not used.

C. It excludes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root and all PDBs.

D. It fails and reports an error because the CONTAINER=CURRENT clause is not used.

E.It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in all PDBs.

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第8题

You are connected using SQL* Plus to a multitenant container database （CDB) with SYSDBA pr

You are connected using SQL* Plus to a multitenant container database (CDB) with SYSDBA privilegesand execute the following sequence statements:What is the result of the last SET CONTAINER statement and why is it so？（）

A. It succeeds because the PDB_ADMIN user has the required privileges.

B. It fails because common users are unable to use the SET CONTAINER statement.

C. It fails because local users are unable to use the SET CONTAINER statement.

D. If fails because the SET CONTAINER statement cannot be used with PDB$SEED as the target pluggable database (PDB).

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第9题

You conned using SQL Plus to the root container of a multitenant container database （CDB)

You conned using SQL Plus to the root container of a multitenant container database (CDB) with SYSDBA privilege.The CDB has several pluggable databases (PDBs) open in the read/write mode.There are ongoing transactions in both the CDB and PDBs.What happens alter issuing the SHUTDOWN TRANSACTIONAL statement？（）

A. The shutdown proceeds immediately. The shutdown proceeds as soon as all transactions in the PDBs are either committed or rolledhack.

B. The shutdown proceeds as soon as all transactions in the CDB are either committed or rolled back.

C. The shutdown proceeds as soon as all transactions in both the CDB and PDBs are either committed or rolled back.

D. The statement results in an error because there are open PDBs.

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第10题

You upgraded your database from pre-12c to a multitenant container database （CDB) containi

You upgraded your database from pre-12c to a multitenant container database (CDB) containing pluggable databases (PDBs).Examine the query and its output:Which two tasks must you perform to add users with SYSBACKUP, SYSDG, and SYSKM privilege to the password file？（）

A. Assign the appropriate operating system groups to SYSBACKUP, SYSDG, SYSKM.

B. Grant SYSBACKUP, SYSDG, and SYSKM privileges to the intended users.

C. Re-create the password file with SYSBACKUP, SYSDG, and SYSKM privilege and the FORCE argument set to No.

D. Re-create the password file with SYSBACKUP, SYSDG, and SYSKM privilege, and FORCE arguments set to Yes.

E. Re-create the password file in the Oracle Database 12c format.

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