You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）A、renaming the control filesB、dropping a user in your databaseC、enabling or disabling redo log archivingD、dropping a tablespace in your databaseE、re-creating the control files， after you lost all the control files in your database
You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）
- A、renaming the control files
- B、dropping a user in your database
- C、enabling or disabling redo log archiving
- D、dropping a tablespace in your database
- E、re-creating the control files， after you lost all the control files in your database
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Would you please see to it that our Order No.P8800 is executed with () delay? A、no least delayB、least possibleC、least anyD、the least possible
Examine the output of the query that you executed to list the objects in the recycle bin:You verified that no table named SALES_TAB exists in the schema. Then you executed the following command to purge the objects in the recycle bin:SQL PURGE TABLE sales_tab;What would be the outcome of this command?（）A. All three tables in the recycle bin are purgedB. Only the table with the oldest DROPSCN is purgedC. The command returns an error because multiple entries with the same name exist in the recycle binD. Only the table with the latest DROPSCN is purged
You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process, you execute the following script:SQL@utlu111i.sqlWhich statement about the execution of this script is true?（）A. It must be executed from the Oracle Database 11g environment.B. It must be executed only after the SYSAUX tablespace has been created.C. It must be executed from the environment of the database that is being upgraded.D. It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.E. It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.
Which command displays the results of a loopback test you executed on a CT3 line module in slot 5, port 0, t1 number 4?() A.AB.BC.CD.D
You executed the following procedure to collect statistics regarding an index： SQLANALYZE INDEX EMP_ID VALIDATE STRUCTURE； Which view will you use to determine whether you need to rebuild the index or not？（） A、 INDEX_STATSB、 DBA_INDEXESC、 DBA_IND_COLUMNSD、 V$OBJECT_USAGE
You executed the following code： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ NAME = ’JOB_A’， ATTRIBUTE = ’JOB_PRIORITY’， VALUE = 7）； END； / After analyzing the above code， what conclusion will you draw？（） A、 The code will be executed successfully.B、 The code will not be executed successfully because the value of the VALUE parameter must be 1， 2， or 3.C、 The code will not be executed successfully because the value of the VALUE parameter must range between 1 and 5.D、 The code will not be executed successfully because no SET_ATTRIBUTE procedure exists in the DBMS_SCHDULER package.
In which scenario will you create a hash cluster？（）A、 when you want the data to be returned automatically in chronological orderB、 if the application uses queries joining tables only occasionallyC、 if the queries against the clustered table use the equality operator （=） to retrieve the desired rowD、 if the full table scan is executed often on only one of the clustered tables
You executed the following query in your database： FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output？（）A、the time when the last flashback operation in your database was performedB、the time when the first flashback operation in your database was performedC、a list of flashback operations performed in your database using SCN and timeD、the approximate time and the lowest system change number （SCN） to which you can flash back your database
Which statement about using RMAN stored scripts is true?（）A、To create and execute an RMAN stored script, you must use a recovery catalog.B、When executing a stored script and a command fails, the remainder of the script is executed, and a message is written to the alert log file.C、RMAN stored scripts can always be executed against any target database that is registered in the recovery catalog.D、When you execute a stored script, it always executes using the persistent channel settings previously set with the CONFIGURE command.
单选题Your Oracle10g database contains a table with a TIMESTAMP TO LOCAL TIME ZONE column. There are about two hundred column values for the column. You issued the following statement： SQL ALTER DATABASE SET TIME_ZONE =’Europe/London’； What will be the result of issuing the above statement？（）A The statement will be executed successfully， and a new time zone will be set for the database.B The statement will be executed successfully， but a new time zone will not be set for the database.C The statement will not be executed successfully because the SET TIME_ZONE clause can be used only with the ALTER SESSION statement.D The statement will not be executed successfully because the ALTER DATABASE SET TIME_ZONE statement is used only when the database contains no table with the TIMESTAMP TO LOCAL TIME ZONE column.
单选题You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）Arenaming the control filesBdropping a user in your databaseCenabling or disabling redo log archivingDdropping a tablespace in your databaseEre-creating the control files， after you lost all the control files in your database
单选题You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You plan to use a PresentationTraceSources object when the application is executed by users. When the application is executed in a test environment, all debug information is successfully captured. You need to be able to capture debug information when the application is deployed. What should you do?（）AEnable WPF tracing in the registry.Restart the application.BEnable tracing by modifying local Group Policy.Restart the application.COpen the XML configuration file for your application on the user's computer.Set tracing to a verbose level.Restart the application.DOpen the XML configuration file for your application on the user's computer.Add a trace listener.Restart the application.
单选题You executed the following command in Recovery Manager （RMAN）： RMAN RESTORE CONTROLFILE； Which operation must you perform before this command is executed？（）A back up the control file to traceB bring database to the MOUNT stateC open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target databaseD set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog
单选题You are creating a Windows application for graphical image processing by using the .NET Framework 3.5. You create an image processing function and a delegate.You plan to invoke the image processing function by using the delegate.You need to ensure that the calling thread meets the following requirements： （1）It is not blocked when the delegate is running （2）It is notified when the delegate is complete What should you do？（）ACall the Invoke method of the delegate.BCall the BeginInvoke and EndInvoke methods of the delegate in the calling thread.CCall the BeginInvoke method by specifying a callback method to be executed when the delegate is complete.Call the EndInvoke method in the callback method.DCall the BeginInvoke method by specifying a callback method to be executed when the delegate is complete.Call the EndInvoke method of the delegate in the calling thread.
单选题You have executed this command to change the size of the database buffer cache： SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582； System altered. To verify the change in size， you executed this command：SQL SHOW PARAMETER DB_CACHE_SIZENAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 Why is the value set to 4194304 and not to 2516582（）ABecause 4194304 is the granule sizeBBecause 4194304 is the standard block sizeCBecause 4194304 is the largest nonstandard block size defined in the databaseDBecause 4194304 is the total size of data already available in the database buffer cache
单选题You executed the following procedure to collect statistics regarding an index： SQLANALYZE INDEX EMP_ID VALIDATE STRUCTURE； Which view will you use to determine whether you need to rebuild the index or not？（）A INDEX_STATSB DBA_INDEXESC DBA_IND_COLUMNSD V$OBJECT_USAGE
单选题You have executed this command to change the size of the database buffer cache： SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582； System altered. To verify the change in size， you executed this command： SQL SHOW PARAMETER DB_CACHE_SIZE NAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 （4M） Why is the value set to 4194304 and not to 2516582（）Abecause 4194304 is the granule sizeBbecause 4194304 is the standard block sizeCbecause 4194304 is the largest nonstandard block size defined in the databaseDbecause 4194304 is the total size of data already available in the database buffer cache
单选题You are developing a tax report for the payroll application. You created a before parameter form report trigger to create three temporary tables to store text that are need while the report is executed. Which report trigger would you use to delete these temporary tables?（）ABefore parameter form. BAfter parameter form. CBefore report. DAfter report.
单选题In which scenario will you create a hash cluster？（）A when you want the data to be returned automatically in chronological orderB if the application uses queries joining tables only occasionallyC if the queries against the clustered table use the equality operator （=） to retrieve the desired rowD if the full table scan is executed often on only one of the clustered tables
单选题You want to perform in incomplete recovery of your database. You plan to use these commands to recover your database： SET UNTIL TIME = ’2000-12-09：11：44：00’； RESTORE DATABASE； RECOVER DATABASE； How should the commands be executed？ （）AOnly the SET command must be within a RUN block.BAll commands should be executed at the RMAN prompt.CAll three commands must be within a single RUN block.DOnly the RESTORE and RECOVER commands must be within a single RUN block.
单选题You executed the following code： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ NAME = ’JOB_A’， ATTRIBUTE = ’JOB_PRIORITY’， VALUE = 7）； END； / After analyzing the above code， what conclusion will you draw？（）A The code will be executed successfully.B The code will not be executed successfully because the value of the VALUE parameter must be 1， 2， or 3.C The code will not be executed successfully because the value of the VALUE parameter must range between 1 and 5.D The code will not be executed successfully because no SET_ATTRIBUTE procedure exists in the DBMS_SCHDULER package.
单选题You created the ORDERS table in your database by using the following code： SQL CREATE TABLE ORDERS （ORDER_DATE TIMESTAMP（0） WITH TIME ZONE）； Then， you inserted data in the ORDERS table and saved it by issuing the following statements：SQL INSERT INTO ORDERS VALUES（’18-AUG-00 10：26：44 PM America/New_York’）； SQL INSERT INTO ORDERS VALUES（’23-AUG-02 12：46：34 PM America/New_York’）； SQL COMMIT； Next， you issued the following statement to change the time zone for the database： SQL ALTER DATABASE SET TIME_ZONE=’Europe/London’； What will be the result of executing the above statement？（）A The statement will fail.B The statement will be executed successfully， and the new time zone will be set for the database.C The statement will be executed successfully， but the new time zone will be set for the current session.DThe statement will be executed successfully， but the new time zone will neither be set for the database nor for a specific session.
单选题In which scenario will you create a sorted hash cluster？ （）A if the application uses queries joining tables only occasionallyB if the full table scan is executed often on only one table of the clustered tablesC if the data for all the rows of a cluster key value exceeds one or two Oracle blocksD when you want the data to be returned automatically in the chronological order
单选题You executed the following command in Recovery Manager （RMAN）： RMAN RESTORE CONTROLFILE； Which operation must you perform before this command is executed？（）Aback up the control file to traceBbring database to the MOUNT stateCopen a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target databaseDset the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog
多选题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？（）Aguarantee undo retentionBadd one more redo log groupCsize the redo log files appropriatelyDsize the UNDO tablespace appropriatelyEsize the SYSTEM tablespace appropriatelyFconfigure an appropriate undo retention intervalGchange automatic undo management to manual
单选题You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process，you execute the following script： SQL@utlu111i.sql Which statement about the execution of this script is true？（）A It must be executed from the Oracle Database 11g environment.B It must be executed only after the SYSAUX tablespace has been created.C It must be executed from the environment of the database that is being upgraded.D It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.E It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.