多项选择题In your Oracle 10g database ， you have scheduled a job to update the optimizer statistics at 05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）

A.average row size
B.last analyzed date
C.size of table in bytes
D.size of table in database blocks
E.number of free blocks in the free list
F.number of extents present in the table

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1.多项选择题

The following are the details of your database：  
Instance name：test  
Host name：tech1.us.oracle.com  
IP address：145.33.230.186 
Enterprise Manager Console HTTP Port number：5500  
You started the database instance and you want to manage your database remotely with Enterprise Manager through a Web browser. Which two URLs would you use to access the Database Control？（）

A.http：//145.33.230.186：5500/em
B.http：//www.145.33.230.186：5500/em
C.http：//tech1.us.oracle.com：5500/em
D.http：//test.145.33.230.186：5500/em
E.http：//test.tech1.us.oracle.com：5500
F.http：//www.tech1.us.oracle.com：5500/em
G.http：//test.tech1.us.oracle.com：5500/em

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2.单项选择题You find today’s performance of your production database to be the best ever. Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）

A.create baseline metrics for today’s performance
B.write the current database metrics to a database table and create a trigger to compare with future database statistics
C.write the current database metrics to a flat file and create an operating script to compare with future database statistics
D.write the current database metrics to a database table and create a procedure to compare with future database statistics
E.write the current database metrics to a database table and submit a job using DBMS_JOB to compare with future database statistics

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3.多项选择题You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error：  ORA-01555： snapshot too old  How would you prevent such an error in the future？（）

A.guarantee undo retention
B.add one more redo log group
C.size the redo log files appropriately
D.size the UNDO tablespace appropriately
E.size the SYSTEM tablespace appropriately
F.configure an appropriate undo retention interval
G.change automatic undo management to manual

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4.单项选择题

When you try to open your database， you receive the following error：  ORA-00205： error in identifying control file  
Where would you find the details required to resolve this error？（）

A.audit trail
B.alert log file
C.user trace file
D.online trace file
E.background trace file
F.operating system event viewer

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5.单项选择题One of the users in the PROD database， Adams， complains that his update on the table， TRANS， is taking an unusually long time to complete. You find that the table gets locked by another database user before Adams starts his transactions， and you are unable to contact the user holding the table lock. As Adams is updating some crucial rows in the table， he should get the highest priority. Which method would you use to overcome this problem？（）

A.execute the command， ALTER SESSION KILL ..， to kill the blocking session
B.execute the DBMS_SESSION.KILL_SESSION procedure to kill the blocking session
C.execute the command， ALTER SYSTEM KILL SESSION ..， to kill the blocking session
D.execute the command， ALTER SESSION UNLOCK ..， to release the lock for the blocking session
E.execute the command， ALTER SYSTEM UNLOCK SESSION ..， to release the lock for the blocking session

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6.单项选择题You have two databases， FINDB and PAYDB， on single operating system and using Optimal Flexible architecture （OFA）. FINDB is functional and is currently being accessed by the users. While starting up the instance for the PAYDB database you get the following error：  ORA-01081： cannot start - already running ORACLE - shut it down first  Which environmental variable would you set before starting up the PAYDB database to overcome this error？（）

A.ORA_PATH
B.ORACLE_SID
C.ORACLE_BASE
D.ORACLE_HOME
E.LD_LIBRARY_PATH

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7.多项选择题

While setting up the database for your production environment， you want to create a user with following requirements.  
1.The objects created by the user must be stored in a tablespace， TBS1， if the  TABLESPACE option is not defined during the object creation.  
2.The user should be able to use 10MB of space in the tablespace TBS1.  
3.The user must change the password immediately after logging in for the first time.  
Which three options of the CREATE USER command would you use to achieve this objective？（）

A.profile
B.account lock
C.account unlock
D.password expire
E.quota 10MB on TBS1
F.password never expire
G.default tablespace TBS1
H.quota unlimited on TBS1
I.temporary tablespace TEMP
J.temporary tablespace SYSTEM

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8.单项选择题In your database， the users SYS and SYSTEM have been assigned the profiles， ADMIN_PROF1 and ADMIN_PROF2， respectively. The rest of the database administrators are assigned the profile ADMIN_PROF3. You create a profile， USER_PROF， and assign it to the application user， Adams. After a week you realize that the profile is no longer required and you decide to drop it. What will Adam’s profile be after the USER_PROF profile has been dropped？（）

A.no profiles
B.the default profile
C.same as the profile of SYS user
D.same as the profile of SYSTEM user

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9.单项选择题

You are connecting to an Oracle database server from a client by using the following connect string：  
SQL> CONNECT hr/hr@pdserver.us.oracle.com：1521/proddb  
Which naming method is being used in this case？（）

A.Local Naming
B.Easy Connect
C.External Naming
D.Directory Naming

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10.单项选择题You work as a database administrator for Supportcenter.cn. You received the following error while working on your database： ORA-01555： snapshot too old ，In which situation would you receive such an error？（）

A.You performed rollback after commit.
B.If a log switch occurs in your database.
C.Thearchiverfails to generate an archived log file.
D.Instance recovery fails to find one of the redo log files.
E.A long-running query is unable to get read-consistent image.
F.If you perform manual undo management operations in auto mode.

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The SAVE_AMT column in the ACCOUNTS table contains the balance details of customers in a bank. As part of the year­end tax and interest calculation process， all the rows in the table need to be accessed. The bank authorities want to track access to the rows containing balance amounts exceeding $200，000， and then send an alert message to the administrator. Which method would you suggest to the bank for achieving this task？（）

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Which statement is true about the loss of system­critical data files in ARCHIVELOG mode？（）

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You find today’s performance of your production database to be the best ever. Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）

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A user receives the following error while executing a query：ORA­01555：snapshot too oldWhich two options can be the solutions to avoid such errors in future？（）

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In your database， the Log Writer （LGWR） process is unable to write to a member of a current redo log group due to read/write failure. Which two effects would you see in your database？（）

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While setting up the database for your production environment， you want to create a user with following requirements.  1.The objects created by the user must be stored in a tablespace， TBS1， if the  TABLESPACE option is not defined during the object creation.  2.The user should be able to use 10MB of space in the tablespace TBS1.  3.The user must change the password immediately after logging in for the first time.  Which three options of the CREATE USER command would you use to achieve this objective？（）

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You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error：  ORA-01555： snapshot too old  How would you prevent such an error in the future？（）

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Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you. Which two statements are true in this scenario？（）

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According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

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Which three statements are true regarding the fine­grained auditing （FGA）？（）

题型：多项选择题