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Q31. Examine the values for the following initialization parameters:
Which two will be the implications of these values in your database? (Choose two.)
A. The SGA advisor will be disabled
B. The MTTR advisor will be disabled
C. Automatic checkpoint tuning will be disabled
D. Checkpoint information will not be written to the alert log file
Q32. 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 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
Q33. The user SCOTT owns the CUST table that is placed in the SALES tablespace. The user SCOTT opens a session and executes commands as follows:
SQL> INSERT INTO cust VALUES(101, 'JACK');
1 row created.
SQL> INSERT INTO cust VALUES(102, 'SMITH');
1 row created.
As a DBA, you execute the following command from another session:
ALTER TABLESPACE sales READ ONLY;
Which statement is true regarding the effect of this command on the transaction in Scott's session?
A. The command fails as a transaction is still pending.
B. The transaction in Scott's session is rolled back and the tablespace becomes readonly.
C. The command waits and the user SCOTT can execute data manipulation language (DML) statements only as part of the current transaction.
D. The command hangs until all transactions on the objects in the tablespace commit or rollback, and then the tablespace is placed in readonly mode.
Q34. While observing the index statistics, you find that an index is highly fragmented, thereby resulting in poor database performance. Which option would you use to reduce fragmentation without affecting the users who are currently using the index?
A. Validate the index structure using the ANALYZE .... INDEX command
B. Rebuild the index using the ALTER INDEX ..... REBUILD ONLINE command
C. Change the block space utilization parameters using the ALTER INDEX command
D. Deallocate the unused space in the index using the ALTER INDEX ... DEALLOCATE UNUSED command
Q35. You are working on an instance started using the SPFILE. You want to move the Flash Recovery Area of your database to a new location. You want the Flashback log files to be stored in the new location. Given below are the steps to accomplish the task in random order:
1) Shut down the instance.
2) Change the value of the DB_RECOVERY_FILE_DEST initialization parameter to a new value.
3) Execute the ALTER DATABASE FLASHBACK OFF command.
4) Start up the instance and mount the database.
5) Execute the ALTER DATABASE FLASHBACK ON command.
6) Open the database.
Select the correct order in which these tasks need to be performed.
A. 2, 1, 4, 3, 5, 6
B. 1, 4, 3, 2, 6, 5
C. 1, 4, 2, 6, 3, 5
D. 3, 2, 1, 4, 5, 6
Q36. Which two statements are true regarding the usage of the SQL*LOADER utility? (Choose two.)
A. You can load data into multiple tables during the same load session
B. You can load data from multiple files to a table during the same load session
C. You cannot perform selective data loading based on the values available in the records
D. You can use an export file generated by the EXPDP utility as an input data file to load the data
E. You can load data only if the input file is available on the disk and tape but not a named pipes
Q37. Which two statements correctly describe the relation between a data file and the logical database structures? (Choose two)
A. An extent cannot spread across data files.
B. A segment cannot spread across data files.
C. A data file can belong to only one tablespace.
D. A data file can have only one segment created in it.
E. A data block can spread across multiple data files as it can consist of multiple operating system (OS) blocks.
Q38. Which two statements are true regarding listeners? (Choose two.)
A. Listeners use only the TCP/IP protocol.
B. Multiple listener processes can run simultaneously on a host.
C. Multiple database instances can be registered with a single listener.
D. The listener-related errors can be traced only at the administrative level.
E. Only one database instance can be registered with a single listener at any time.
Q39. Which statement describes the effect on an index, when the indexed column for the rows is updated in the base table?
A. An update in a leaf row takes place.
B. The index becomes invalid after the update.
C. The leaf block containing the row to be updated is marked as invalid.
D. A row in the leaf block of the index for the key value is logically deleted and a new leaf row is inserted.
Q40. 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.