It provides each session with its own view of the database at a different point in the past.
It enables you to execute scalable applications on a clustered database without having to partition the users or the database tables.
It lets you dynamically reassign memory in your database buffer cache to different block buffer sizes.
It allows you to add new sites to multimaster replication environment without quiescing the master definition site.
第1题:
Which statement is true regarding RMAN components?()
第2题:
A new report process containing a complex query is written, with high impact on the database. You wantto collect basic statistics about query, such as the level of parallelism, total database time, and the number of I/O requests. For the database instance STATISTICS_LEVEL, the initialization parameter is set to TYPICAL and theCONTROL_MANAGEMENT_PACK_ACCESS parameter is set to DIAGNOSTIC+TUNING. What should you do to accomplish this task?()
第3题:
Identify four uses of the Oracle Scheduler.()
第4题:
You issued the following statement: SQL>ALTER DATABASE ENABLE RESUMABLE TIMEOUT n; What will be the result of issuing the above statement?()
第5题:
You have enabled resumable space allocation in your database by setting the RESUMABLE_TIMEOUTparameter set to a nonzero value.Which three statements about resumable space allocation are true? ()(Choose three.)
第6题:
The database users are connecting to the PROD database from different applications, thereby degrading the database performance. The senior database administrator suspects the large number of concurrent connections to be the reason for low performance and asks you to restrict the number concurrent connections per database user to one. Which action would you take to achieve this objective? ()
第7题:
Each target database requires its own recover catalog.
RMAN scripts can be stored in the recovery catalog or the target control file.
A channel is a stream of data to a device type and corresponds to one server session.
The RMAN executable interprets sever session commands and establishes connections to the target database.
第8题:
Execute the query and view Active Session History (ASH) for information about the query.
Enable SQL trace for the query.
Create a database operation, execute the query, and use the DBMS_SQL_MONITOR. REPORT_SQL_MONITOR function to view the report.
Use the DBMS_APPLICATION_INFO.SET_SESSION_LONGOPS procedure to monitor query execution and view the information from the V$SESSION_LONGOPS view.
第9题:
The command will not execute successfully because TIMEOUT is an invalid clause with the ALTER DATABASE ENABLE RESUMABLE command.
The command will not execute successfully because resumable space allocation is enabled at the session level.
The command will execute successfully and resumable space will be allocated at the session level.
The command will execute successfully and resumable space will be allocated at the instance level.
第10题:
Open the database in read-only mode.
Set the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.
Enable the block change tracking feature.
Execute the ALTER DATABASE FLASHBACK ON statement.
第11题:
set the SESSIONS to 1 in the parameter file
grant SINGLE SESSION privilege to all of the users
set the SESSIONS_PER_USER to 1 in the users’ profile
grant RESTRICTED SESSION privilege to all of the database users
create a role with SINGLE SESSION privilege and assign the role to the users
第12题:
1
2
3
4
1, 2, and 4
1, 2, 3, and 4
第13题:
RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database?()
第14题:
You work as a database administrator for Supportcenter.cn. Your database is opened inNOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this?()
第15题:
Note the following points describing various utilities in Oracle Database 11g: 1:It enables the high-speed transfer of data from one database to another. 2:It provides a complete solution for the backup, restoration, and recovery needs of the entire database. 3:It enables the loading of data from an external file into an Oracle database. 4:It provides a tape backup management for the Oracle ecosystem. Which point describes Oracle Secure Backup()
第16题:
Note the following points describing various utilities in Oracle Database 11g: 1. It enables the transfer of data from one database to another. 2. It provides a complete solution for the backup, restoration, and recovery needs of the entire database. 3. It enables the loading of data from an external file into tables of an Oracle database. 4. It provides a tape backup management for the Oracle ecosystem. Which point describes the Oracle Data Pump utility()
第17题:
You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this?()
第18题:
You are upgrading the database servers that are used by all of the companys applications. As the first step in the upgrade, you upgrade the development database servers. You need to verify that the upgrade of the database servers did not introduce any errors into the databases. What should you do?()
第19题:
Create another password file and then re-execute the GRANT statement.
Re-create the password file, specifying a larger number of allowed entries, and then re-execute the GRANT statement.
Change the value of the REMOTE_LOGIN_PASSWORDFILE initialization parameter in theinitialization parameter file to NONE and then re-execute the GRANT statement.
Change the value of the REMOTE_LOGIN_PASSWORDFILE initialization parameter in the initialization parameter file to SHARED and then re-execute the GRANT statement.
第20题:
V$DATABASE
V$FLASHBACK_DATABASE_STAT
V$FLASHBACK_DATABASE_LOG
V$RECOVERY_FILE_DEST
第21题:
1
2
3
4
1 and 3
1, 2, 3, and 4
第22题:
’SQL ALTER DATABASE OPEN’;
SQL ALTER DATABASE ’OPEN’;
OPEN DATABASE;
DATABASE OPEN
第23题:
Execute the ALTER DATABASE ARCHIVELOG statement
Select ARCHIVELOG option in the database control and restart the database to apply the changes.
Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.
Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.