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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？（）
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
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更多 “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？（）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” 相关考题
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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
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While designing your database， you have created the EMPLOYEES table as an index-organized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（） A、A primary key must have been created.B、A mapping table must have been created.C、An overflow tablespace must have been specified.D、The PCTTHRESHOLD option must have been specified.
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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
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create a hash cluster to store the dataB
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考题
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export and import the mapping tableB
drop and re-create the mapping tableC
truncate the mapping table and reinsert the valuesD
use the ALTER TABLE···REBUILD command to defragment the mapping table
考题
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？（）A
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考题
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？（）A
Monitor thealert.logfileB
Enable server-side SQL tracing for user sessionsC
Enable fine-grained auditing for the customer tableD
Enable Fine-Grained Access Control （FGAC） for the customer tableE
Write a database trigger on the customer table on the SELECT event
考题
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Sort in tempdb B
Online C
Fill factor D
Pad index
考题
单选题The production database has been functional for the last seven days. Because of application requirements， some of the initialization parameters were changed during run time without any comments. You have asked to find out the value of the parameters when the instance was started.Which source would you use to locate this information？（）A
Fixed viewsB
The alert log fileC
The parameter fileD
The server parameter fileE
Dynamic performance views
考题
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RMAN onlyB
Flashback Table onlyC
Flashback Versions Query onlyD
Flashback Database and Flashback Transaction QueryE
Flashback Versions Query and Flashback Transaction Query
考题
单选题You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）A
use the external table populationB
use the Oracle Data Pump export and import utilityC
use the conventional path data load of SQL*Loader utilityD
use the direct path data load of Oracle export and import utility
考题
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
考题
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.
考题
单选题While designing your database， you have created the EMPLOYEES table as an index-organized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A
A primary key must have been created.B
A mapping table must have been created.C
An overflow tablespace must have been specified.D
The PCTTHRESHOLD option must have been specified.
考题
问答题Practice 7 ● Your company has planned three training courses：Foreign Language Development, Changes in Technology, Management Skills. ● You have been asked to write a report, recommending the course you think would be most useful for people who do the same kind of job as you. ● Write the report, saying which course you have chosen. ● Explain why you feel it would be the most useful and why the others are not so suitable. ● Write 200-250 words on your Answer Sheet．
考题
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.
考题
单选题The production database has been functional for the last seven days. Because of application requirements， some of the initialization parameters were changed during run time without any comments. You have been asked to find out the value of the parameters when the instance was started. Which source would you use to locate this information？（）A
fixed viewsB
the alert log fileC
the parameter fileD
the server parameter fileE
dynamic performance views
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