问题：Which statement explicitly names a constraint?（）A、ALTER TABLE student_grades ADD FOREIGN KEY (student_id) REFERENCES students(student_id);B、ALTER TABLE student_grades ADD CONSTRAINT NAME = student_id_fk FOREIGN KEY (student_id) REFERENCES students(student_id);C、ALTER TABLE student_grades ADD CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students(student_id);D、ALTER TABLE student grades ADD NAMED CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students(student_id);E、ALTER TABLE student grades ADD NAME student_id_fk FOREIGN KEY (student_id) REFERENCES students(student_id);
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问题： Following is the list of locations in random order where oranfstab can be placed. 1./etc/mtab 2.$ORACLE_HOME/dbs/oranfstab 3./etc/oranfstab What is the sequence in which Direct NFS will search the locations?（）A、1, 2, 3B、3, 2, 1C、2, 3, 1D、1, 3, 2
问题：当ORACLE9.2数据库服务器安装后，将自动创建两个具有超级权限的用户，并且要求设定这两个用户的口令，这两个用户是（）A、SYSTEM和MANAGERB、SYS和SYSTEMC、SYS和SYSMAND、ROOT和SUPERMANE、SCOTT和TIGER
问题：Examine the details of the Top 5 Timed Events in the following Automatic Workloads Repository (AWR)report:What are three possible causes for the latch-related wait events?（）A、The size of the shared pool is too small.B、Cursors are not being shared.C、A large number COMMITS are being performed.D、There are frequent logons and logoffs.E、The buffers are being read into the buffer cache, but some other session is changing the buffers.
问题：Your database is running on the automatic Program Global Area （PGA） memory management and Shared Memory Management mode. You want to increase the memory available for the SQL work areas. What would you do？（）A、 modify the HASH_AREA_SIZE initialization parameterB、 modify the PGA_AGGREGATE_TARGET initialization parameterC、 modify the WORK_AREASIZE_POLICY initialization parameterD、 increase the value of the SGA_TARGET initialization parameterE、 increase the value of the SGA_MAX_SIZE initialization parameterF、 increase the value of the SORT_AREA_SIZE initialization parameter
问题：What are three benefits of performing data definition language （DDL） statements against a partitioned table with the UPDATE GLOBAL INDEXES clause？（）A、Global indexes are rebuilt automatically at the end of the DDL operation thereby avoiding problems with the UNUSABLE status. B、You do not have to search for invalid global indexes after the DDL command completes and rebuild them individually. C、Global indexes are maintained during the operation of the DDL command and therefore can be used by any concurrent query. D、Global indexes remain intact and available for use by data manipulation language （DML） statements even for sessions that have not enabled the skipping of unusable indexes.
问题： You want to create the Recovery Manager （RMAN） Virtual Private Catalog （VPC） to maintain a separation of responsibilities along with a consolidation of RMAN repository. Which condition must be met before you create the VPC？（） A、 A base catalog existsB、 The recovery catalog is emptyC、 The base recovery catalog must be droppedD、 A target database is registered in the recovery catalog
问题：Users are performing a large volume of inserts and deletes on the application tables in the APPS tablespace. You observe that there are several warning alerts being generated for the APPS tablespace space usage metrics. Currently， the warning threshold for the tablespace usage metrics is set to 70%. To make the generated alerts more useful as a problem identification tool， you want to reduce the frequency of alert generation for the tablespace usage metrics for the APPS tablespace. What should you do？（）A、 Disable SQL tracing for the APPS tablespace.B、 Disable logging attributes for the APPS tablespace.C、 Modify the tablespace to be a dictionary-managed tablespace.D、 Increase the critical threshold value for the tablespace space usage metrics for the APPS tablespace.E、 Increase the warning threshold value for the tablespace space usage metric for the APPS tablespace.
问题： You notice a performance change in your production Oracle database and you want to know which change has made this performance difference. You generate the Compare Period Automatic Database Diagnostic Monitor (ADDM) report to further investigation. Which three findings would you get from the report?（）A、It detects any configuration change that caused a performance difference in both time periods.B、It identifies any workload change that caused a performance difference in both time periods.C、It detects the top wait events causing performance degradation.D、It shows the resource usage for CPU, memory, and I/O in both time periods.E、It shows the difference in the size of memory pools in both time periods.F、It gives information about statistics collection in both time periods.
问题：WebLogic Node Manager can be used to manage the life cycle of WebLogic servers. WebLogic Node Manager is installed and started （）.A、Per MachineB、Per DomainC、Per Managed ServerD、Per Admin Server
问题：What is the functionality of the "Allow modifications of customized objects" check box in the OracleWorkflow Builder dialog box that is displayed from the Help menu? （）(Choose two.)A、Having check box selected is equivalent to Workflow Definitions Loader Upgrade mode.B、Having check box deselected is equivalent to Workflow Definitions Loader Upload mode.C、If the check box is not selected, you can save your edits only to protected objects that you have access to change, and cannot overwrite previously customized objectsD、If the check box is selected, you overwrite any protected objects that you have the ability (access) to modify, and also any previously customized objects.
问题： You configured automatic archive logging for the database. On the next startup the database runs for a while， but then hangs. After checking the alert log， you determine that all the online redo logs need archiving. Which step was skipped when you set up automatic archive log？（）A、LOG_ARCHIVE_DEST was not set in the parameter file.B、LOG_ARCHIVE_START was not set in the parameter file.C、alter database archivelog； was not executed in MOUNT mode.D、LOG_ARCHIVE_MAX processes were not set in the parameter file.
问题：In your test database， you find that a user’s session is executing a lot of SQL statements， resulting in the generation of a large number of trace files. While investigating the reason， you find that SQL trace has been enabled at the instance level. You want to disable SQL trace， remotely， only for that user session to reduce the volume of trace data being generated.How do you achieve this objective？（）A、 by setting the SQL_TRACE parameter to FALSE in the parameter fileB、 by using DBMS_MONITOR.SESSION_TRACE_DISABLE to disable the tracing for the user sessionC、 by setting the SQL_TRACE parameter to FALSE by using the ALTER SYSTEM command in the user sessionD、 by setting the SQL_TRACE parameter to FALSE by using the ALTER SESSION command in the user session
问题： 对于以下SQL语句说法正确的是（） SELECT ename FROM emp WHERE sal IN (SELECT MAX(sal) FROM emp GROUP BY deptno);A、这个语句是符合语法的B、这个语句是不能执行的,因为缺少HAVING子句C、这个语句是不能执行的,因为分组的条件列不在SELECT列表中D、这个语句是不能执行的,因为GROUP BY子句应该在主查询中,而不是在子查询中E、在主查询的WHERE条件中,不应该用IN,而应该用等号
问题： You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command: RMAN>CHANGE BACKUPSET 231 NOKEEP; What is the implication of this command?（）A、The backup is deleted.B、The backup is marked unavailable.C、The backup overrides the backup retention policy.D、the backup becomes eligible for deletion according to the existing retention policy
问题：Which two statements are true about encrypting RMAN backup?（） (Choose two.)A、The transparent encryption of backups uses the encryption walletB、The database uses the same encryption key for every encrypted backupC、The password encryption of backups only uses the password while creating and restoring backupD、If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.
问题：哪种表空间可以被设置为脱机状态（）。A、系统表空间B、撤销表空间C、临时表空间D、用户表空间
问题： Given a complete loss of your database， in what order would you need to perform the following RMAN operations to restore it？（） a. restore controlfile b. restore database c. restore spfile d. recover database e. alter database open f. alter database open resetlogsA、 b， a， c， d， eB、 a， c， b， d， fC、 c， a， b， d， eD、 c， a， b， d， fE、 e， a， b， d， c
问题：Which SQL statement defines the FOREIGN KEY constraint on the DEPTNO column of the EMP table? （）A、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) NOT NULL CONSTRAINT emp_deptno_fk FOREIGN KEY deptno REFERENCES dept deptno);B、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) CONSTRAINT emp_deptno_fk REFERENCES dept (deptno));C、CREATE TABLE EMP (empno NUMBER(4) ename VARCHAR2(35), deptno NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk REFERENCES dept (deptno) FOREIGN KEY (deptno));D、CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) FOREIGN KEY CONSTRAINT emp deptno fk REFERENCES dept (deptno));
问题：You are using the DBVERIFY utility to check the datafiles for any block corruption. You want to write the output of the dbv command to a file not to the screen. Which parameter of the DBVERIFY utility will you use？（）A、 FILEB、 PARFILEC、 LOGFILED、 FEEDBACK
