You are the DBA for an academic database. You need to create a role that allows a group of users to modify existing rows in the STUDENT_GRADES table.Which set of statements accomplishes this?()
第1题:
第2题:
You are working as a DBA at NetFx Corporation. You discover that the SCOTT schema is deleted by mistake. You decide to flash the database back to the time when the schema existed. Which view will you query to determine the estimated size of the flashback data that you require for your current target retention?()
第3题:
You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?()
第4题:
You executed the following procedure to collect statistics regarding an index: SQL>ANALYZE INDEX EMP_ID VALIDATE STRUCTURE; Which view will you use to determine whether you need to rebuild the index or not?()
第5题:
You issued the following statement to monitor the usage of the index: SQL> ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE; Which view will you query to ensure that the index is being monitored?()
第6题:
You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?()
第7题:
V$FLASHBACK_DATABASE_LOG
V$FLASHBACK_DATABASE_STAT
V$DATABASE
V$UNDOSTAT
第8题:
Only the Flashback Table
Both the Flashback Transaction Query and the Flashback Version Query
Only the Flashback Drop
Only the Flashback Version
第9题:
INDEX_STATS
DBA_INDEXES
DBA_IND_COLUMNS
V$OBJECT_USAGE
第10题:
An Automatic Workload Repository snapshot has been taken recently.
The non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.
The threshold alerts conditions are cleared and the alerts are transferred to DBA_ALERT_HISTORY.
The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but not the threshold alerts related to instance metrics.
第11题:
INDEX_STATS
DBA_INDEXES
DBA_IND_COLUMNS
V$OBJECT_USAGE
第12题:
CREATE ROLL registrar; GRANT MODIFY ON student_grant TO registrar; GRANT registrar to user 1, user2, user3
CREATE NEW ROLE registrar; GRANT ALL ON student_grant TO registrar; GRANT registrar to user 1, user2, user3
CREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT ROLE to user1, user2, user3
CREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT registrar to user 1, user2, user3;
CREATE registrar; GRANT CHANGE ON student_grant TO registrar; GRANT registrar;
第13题:
You are employed as a DBA in an organization. You are informed that the record of EMP_NO 1000 is missing from the SCOTT.EMP table. You are required to identify the user who deleted the record, the SQL statement that will undo the deletion, and the transaction ID of the transaction that deleted the employee record. Which feature will you use to perform the tasks?()
第14题:
Which view will you use to view information regarding the jobs that are currently running in a database?()
第15题:
View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes, you executed the following command: SQL> SELECT reason,metric_value FROM dba_outstanding_alerts; REASON METRIC_VALUE ------------------------------------------------------------ ------------ Tablespace [TEST] is [28 percent]full 28.125 What could be the reason for the elimination of the other rows in the output()
第16题:
What should you look at first to compute the number of undo blocks written per second to disk? ()
第17题:
You want to view the name of a program associated with a job for making some changes to the program. Which view will you query to find the name of the program associated with the job?()
第18题:
At 10:30 A.M., you ran a batch job by mistake, which executed a transaction in the database. The transaction identifier of the transaction that made to the changes in the database is 0500A00627B000. At 11:10 A.M., you stopped the batch job. Now, you want to identify the changes made to the database tables by the batch job. Which view will you query?()
第19题:
control file
password file
listener controller file
control file and password file
第20题:
DBA_SCHEDULER_JOB_RUN_DETAILS
DBA_SCHEDULER_RUNNING_JOBS
DBA_SCHEDULER_JOBS
DBA_SCHEDULER_JOB_LOG
第21题:
Assign the DEFAULT profile to the users
Set the RESOURCE_LIMIT parameter to TRUE in the parameter file
Create a new profile with CPU restrictions and assign it to the users
Specify the users as members of the DEFAULT_CONSUMER_GROUP
Revoke the DBA role and grant CONNECT and RESOURCE role to the users
第22题:
Recover Manager (RMAN) utility
Import utility
Export utility
O/S backup command
第23题:
enable index monitoring and query the DBA_OBJECTS view
enable index monitoring and query the DBA_INDEXES view
enable index monitoring and query the V$OBJECT_USAGE view
enable index monitoring and view the DBA_INDEXTYPE_COMMENTS view
第24题:
DBA_PENDING_TRANSACTIONS
DBA_AUDIT_STATEMENT
V$FLASHBACK_DATABASE_STATS
FLASHBACK_TRANSACTION_QUERY