关于oracle认证考试的那点事儿

oracle认证考试，对于网上的一些考友并不陌生， 那么最近这段时间，网上的而一些考友对1z0-045的考试打听得比较多！要知道通过了考试就可以Oracle database 10g:new features for Oracle8i ocps 认证，对晋级和加薪都是有好处的啊。
Killtest题库网免费分享的题库，我稍稍整理了一下，觉得好，据和大家一起来分享一下子，
1.Identify four uses of the Oracle Scheduler. (Choose four.)
A.Enables you to set idle time limits for a resource plan.
B.Enables you to schedule job execution based on time.
C.Enables you to execute jobs in a clustered environment.
D.Enables you to assign priorities to the consumer groups.
E.Enables you to map a consumer group to an Oracle user.
F.Enables you to create a job that makes use of saved programs and schedules.
G.Enables you to periodically execute operating system script files located on the same server
database.
Correct:B C F G

2.You define the Warning threshold for the tablespace usage metric for the USERS tablespace be 35%. Because of this, several alerts are being raised. After observing this, you decide increase the Warning threshold and clear all old alerts related to tablespace usage metric. would you find the information about cleared alerts?
A.the alert.log file
B.the DBA_ALERT_HISTORY data dictionary table
C.the DBA_ALERT_ARGUMENTS data dictionary table
D.the DBA_TAB_STATS_HISTORY data dictionary table
E.the DBA_OUTSTANDING_ALERTS data dictionary table
F.the V$ACTIVE_SESSION_HISTORY data dictionary table
Correct:B

3.You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE '/u1/data/temp1.dbf' SIZE 10M TABLESPACE GROUP ''; Which statement regarding the above command is correct?
A.It will create the tablespace TEMP1 in group G1.
B.It will create the tablespace TEMP1 in group G3.
C.It will not add the tablespace TEMP1 to any group.
D.It will create the tablespace TEMP1 in the default group.
E.It will throw an error with message 'specified group is not available'.
F.It will create a new group with a system-generated name and add the tablespace TEMP1 to it.
Correct:C

4.View the Exhibit. You want to unload data from the ORDERS, ORDER_ITEMS, and PRODUCTS database tables to four OS flat files by using the External Table Population method. To achieve this objective, you execute the command shown on the Exhibit. After successful execution of the command, you find that only two files have been created and not four. Which option do you need to change to achieve your objective?
A.TYPE
B.LOCATION
C.PARALLEL
D.DEFAULT DIRECTORY
E.ORGANIZATION EXTERNAL
Correct:C

5.Examine the statement: SQL> CREATE TABLESPACE user_data 2> EXTENT MANAGEMENT LOCAL 3> SEGMENT SPACE MANAGEMENT AUTO; Which two assumptions must be true for this statement to execute successfully? (Choose two.)
A.Oracle Managed Files are used for this instance.
B.The USER_DATA tablespace is managed using FET$/UET$ tables.
C.The database will manage the free space of segments in the tablespace using a bitmap.
D.Space within segments in the USER_DATA tablespace is managed with freelists.
Correct:A C

6.You need to ensure that the database users should be able to use the various flashback query features in order to go back in time by four hours. What would you do to achieve this? (Choose two.)
A.set SQL_TRACE=True
B.set UNDO_RETENTION=14400
C.set FAST_START_MTTR_TARGET=240
D.set LOG_CHECKPOINT_INTERVAL=240
E.set DB_FLASHBACK_RETENTION_TARGET=14400
F.issue ALTER DATABASE FLASHBACK ON; command
G.set the RETENTION GUARANTEE clause for the undo tablespace
Correct:B G
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