单选题You are designing an application for Certkiller .com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls, listed in chronological order.Which method would you follow to achieve this objective without increasing the overhead of sorting the rows?()A create a hash cluster to store the dataB create an index cluster to store the dataC create a partitioned table to store the dataD create a sorted hash cluster to store the dataE create a heap table with rowid to store the data

单选题
You are designing an application for Certkiller .com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls, listed in chronological order.Which method would you follow to achieve this objective without increasing the overhead of sorting the rows?()
A

 create a hash cluster to store the data

B

 create an index cluster to store the data

C

 create a partitioned table to store the data

D

 create a sorted hash cluster to store the data

E

 create a heap table with rowid to store the data


参考解析

解析: 暂无解析

相关考题:

You work as an application developer at Certkiller .com. Certkiller .com uses an application that calculates monthly payments based upon client input.You are currently debugging this application using the Microsoft Visual Studio 2005 IDE.The application contains the following code:public double CalculateMonthlyPayment (Single rate, double principal) {//Implementation code}You have discovered that unexpected results are being returned by the application. You would like to pause execution and display a message box containing an error message in the event of a negative or zero rate value is Passed to the CalculateMonthlyPayment method.You need to ensure that this only occurs during debugging mode.What should you do?()A.B.C.D.

You are designing an application for a telecom company and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls, listed in chronological order.  Which method would you follow to achieve this objective without increasing the overhead of sorting the rows?()A、create a hash cluster to store the dataB、create an index cluster to store the dataC、create a partitioned table to store the dataD、create a sorted hash cluster to store the dataE、create a heap table with rowid to store the data

You work as a database administrator for Certkiller .com. You are using three database, Certkiller DB01, Certkiller DB02, and Certkiller DB03, on different host machines in your development environment. The database serverconfiguration, such as IP address and listener port number, change frequently due to development requirements, and you havethe task of notifying the developers of the changes. Which connection method would you use to overcome this overhead?()A、Host namingB、Local namingC、Easy ConnectD、External namingE、directory naming

You work as a database administrator for Supportcenter.cn. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective, which component would you configure on each database server?()A、Database ControlB、Management ServerC、Management RepositoryD、Application Server ControlE、Oracle Management Agent

You work as a database administrator for Certkiller .com. You want to administer your database servers,which are running on different host machines,using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective?()A、Application Server ControlB、Oracle Management ServiceC、Oracle Enterprise Manager RepositoryD、Oracle Enterprise Manager Database Control

By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:  a) a list of changes made along with the transaction identifier of each change  b) the necessary SQL statements to undo the erroneous changes  Which option would you choose?()A、RMAN onlyB、Flashback Table onlyC、Flashback Versions Query onlyD、Flashback Database and Flashback Transaction QueryE、Flashback Versions Query and Flashback Transaction Query

You work as a database administrator for Certkiller .com. In your transaction application, you have scheduled a job to update the optimizer statistics at05:00 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 sizeB、Last analyzed dateC、Size of table in bytesD、Size of table in database blocksE、Number of free blocks in the free listF、Number of extents present in the table.

You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups, and there have been five log switches. You lost one non-system-critical data file from your database.  Which method would you use to recover the data file?()A、Restore all the data files and open the databaseB、Create the data file and performtablespacerecoveryC、No need to restore any file, just recover the databaseD、Restore only the system data file and recover the databaseE、Restore only lost date file and performtablespacerecovery

You work as a database administrator for Certkiller .com. While loading data into the Certkiller STAFF table using Oracle Enterprise Manager 10g Database Control, you find the status of the job as failed. On further investigation, you find the following error message in the output log: ORA-01653 unable to extend table HR. Certkiller STAFF by 8 intablespaceUSERS Which task would you perform to load the data successfully without affecting the users who are accessing the table?()A、Restart the database instance and run the jobB、Truncate the Certkiller STAFF table and run the jobC、Delete all rows from the Certkiller STAFF table and run the jobD、Increase the size of the USERStablespacethe and run the jobE、Increase the size of the database default permanenttablespaceand run the job

By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:  a) A list of changes made along with the transaction identifier of each change.  b) The necessary SQL statements to undo the erroneous changes.  Which option would you choose?()A、 RMAN only.B、 Flashback Table only.C、 Flashback Version Query only.D、 Flashback Database and Flashback Transaction Query.E、 Flashback Version Query and Flashback Transaction Query.

You work as a database administrator for Certkiller .com. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective, which component would you configure on each database server?()A、Database ControlB、Management ServerC、Management RepositoryD、Application Server ControlE、Oracle Management Agent

You are designing an application for Certkiller .com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls, listed in chronological order.Which method would you follow to achieve this objective without increasing the overhead of sorting the rows?()A、 create a hash cluster to store the dataB、 create an index cluster to store the dataC、 create a partitioned table to store the dataD、 create a sorted hash cluster to store the dataE、 create a heap table with rowid to store the data

单选题You work as a database administrator for Certkiller .com. Users in the Certkiller .com PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?()AIncrease the undo returnBCreate more undo segmentsCCreate another undotablespaceDIncrease the size of the undotablespace

单选题You are designing an application for a telecom company and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls, listed in chronological order.  Which method would you follow to achieve this objective without increasing the overhead of sorting the rows?()Acreate a hash cluster to store the dataBcreate an index cluster to store the dataCcreate a partitioned table to store the dataDcreate a sorted hash cluster to store the dataEcreate a heap table with rowid to store the data

单选题You work as a database administrator for Supportcenter.cn. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective, which component would you configure on each database server?()ADatabase ControlBManagement ServerCManagement RepositoryDApplication Server ControlEOracle Management Agent

单选题You work as an application developer at Certkiller .com. Certkiller .com has asked you to create a multi-threaded application, which executes a critical database  backup operation on an hourly basis. You define this operation with the following code:  public void BackupDB () {  //Implementation code }  You then create a Thread object for the purpose of invoking this method.  You need to ensure that the thread is scheduled for execution before any other thread at runtime.What should you do?()A AB BC CD D

单选题You work as a database administrator for Certkiller .com. You suspect that in one of your applications the customer table is being accessed by some unauthorized users. Which option would you use to monitor the queries being executed on the customer table?()AMonitor thealert.logfileBEnable server-side SQL tracing for user sessionsCEnable fine-grained auditing for the customer tableDEnable Fine-Grained Access Control (FGAC) for the customer tableEWrite a database trigger on the customer table on the SELECT event

单选题You work as a database administrator for Certkiller .com. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective, which component would you configure on each database server?()ADatabase ControlBManagement ServerCManagement RepositoryDApplication Server ControlEOracle Management Agent

多选题You work as a database administrator for Certkiller .com. You decided to manage client and server connections using Local Naming method in Certkiller .com. When you try to connect to the database you get the following error: ERROR:  ORA-12154:TNS:couldnot resolve service name  Which network configuration files would you look into to resolve this error?()Asnmp.oraBnames.oraCspfile.oraDsqlnet.oraElistener.oraFtnsnames.ora

单选题You work as a database administrator for Certkiller .com. You are using three database, Certkiller DB01, Certkiller DB02, and Certkiller DB03, on different host machines in your development environment. The database serverconfiguration, such as IP address and listener port number, change frequently due to development requirements, and you havethe task of notifying the developers of the changes. Which connection method would you use to overcome this overhead?()AHost namingBLocal namingCEasy ConnectDExternal namingEdirectory naming

单选题You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups, and there have been five log switches. You lost one non-system-critical data file from your database.  Which method would you use to recover the data file?()ARestore all the data files and open the databaseBCreate the data file and performtablespacerecoveryCNo need to restore any file, just recover the databaseDRestore only the system data file and recover the databaseERestore only lost date file and performtablespacerecovery

单选题By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:  a) a list of changes made along with the transaction identifier of each change  b) the necessary SQL statements to undo the erroneous changes  Which option would you choose?()ARMAN onlyBFlashback Table onlyCFlashback Versions Query onlyDFlashback Database and Flashback Transaction QueryEFlashback Versions Query and Flashback Transaction Query

单选题You work as a database administrator for Certkiller .com. While loading data into the Certkiller STAFF table using Oracle Enterprise Manager 10g Database Control, you find the status of the job as failed. On further investigation, you find the following error message in the output log: ORA-01653 unable to extend table HR. Certkiller STAFF by 8 intablespaceUSERS Which task would you perform to load the data successfully without affecting the users who are accessing the table?()ARestart the database instance and run the jobBTruncate the Certkiller STAFF table and run the jobCDelete all rows from the Certkiller STAFF table and run the jobDIncrease the size of the USERStablespacethe and run the jobEIncrease the size of the database default permanenttablespaceand run the job

多选题You work as a database administrator for Certkiller .com. In your transaction application, you have scheduled a job to update the optimizer statistics at05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected?()AAverage row sizeBLast analyzed dateCSize of table in bytesDSize of table in database blocksENumber of free blocks in the free listFNumber of extents present in the table.

单选题You work as an application developer at Certkiller .com. You have been asked by you superiors at Certkiller .com to create a child application domain.  The new child application domain has to specify a different assembly path than that of the parent application domain.You need to ensure that your solution meets Certkiller .com’s requirements.What should you do?()A AB BC CD D

单选题By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:  a) A list of changes made along with the transaction identifier of each change.  b) The necessary SQL statements to undo the erroneous changes.  Which option would you choose?()A RMAN only.B Flashback Table only.C Flashback Version Query only.D Flashback Database and Flashback Transaction Query.E Flashback Version Query and Flashback Transaction Query.

单选题You work as an application developer at Certkiller .com. You have been given the responsibility of creating a class named CalcSalary that will determine the salaries of Certkiller .com’s staff.The CalcSalary class includes methods to increment and decrement staff salaries.You would like to invoke the IncrementSalary and  DecrementSalary methods dynamically at runtime from the sales manager application when needed. After viewing the information displayed in the exhibit, you decide to use the Salary delegate to invoke these methods.  using System;  public delegate boolSalary (Employee Emp, double Amount); public class CalcSalary {  // for promotions  public static bool IncrementSalary (Employee Emp, double Amount) {  // implementation details }  // for demotions  public static bool DecrementSalary (Employee Emp, double Amount) {  // implementation details }  What code should you use?()A AB BC CD D