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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. Which two statements about Flashback Query are true? (Choose two.)

A) It helps in row-level recovery from user errors.
B) It can be performed to recover ALTER TABLE statements
C) The database has to be opened with the resetlogs option after performing Flashback Query.
D) It is generated by using the redo log files.
E) It fails when undo data pertaining to the transaction is overwritten.

2. You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task?

A) Upgrade the hardware/memory to accommodate the data.
B) Use an external table so you can have the metadata available in your database, but leave the data in the operating system files.
C) Load the data into your database by using the PARALLEL clause.
D) Give analysts DBA privilege, so that they can query DBA_EXTERNAL_TABLES.

3. Which three statements are correct about temporary tables? (Choose three.)

A) Indexes and views can be created on temporary tables.
B) Both the data and the structure of temporary tables can be exported.
C) Temporary tables are always created in a user's temporary tablespace.
D) The data inserted into a temporary table in a session is available to other sessions.
E) Data manipulation language (DML) locks are never acquired on the data of temporary tables.

4. View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERT 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 perce 28.125 nt] full
What could be the two reasons for the elimination of the other rows in the output? (Choose two.)

A) The threshold alerts are transferred to DBA_ALERT_HISTORY.
B) The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but not the threshold alerts related to instance metrics.
C) The non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.
D) The threshold alert conditions are cleared.

5. The junior DBA in your organization has accidentally deleted the alert log file. What will you do to create new alert log file?

A) Create the new text file file as ALERT.LOG.
B) You have to recover the alert log file from the valid backup.
C) No action required.The file would be created automatically by the instance.
D) Change the value for the BACKGROUND_DUMP_DEST parameter.

Solutions: