Oracle 1z0-062 Exam Dumps

You want execution of large database operations to suspend, and then resume, in the event of space allocation failures. You set the value of the initialization parameter RESUMABLE_TIMEOUT to 3600. Which two statements are true? (Choose two.)

A. Before a statement executes in resumable mode, the ALTER SESSION ENABLE RESUMABLE statement must be issued in its session.
B. Data Manipulation Language (DML) operations are resumable, provided that they are not embedded in a PL/SQL block
C. A resumable statement can be suspended and resumed only once during execution.
D. A suspended statement will report an error if no corrective action has taken place during a timeout period.

Answer: A,D

Examine the details of the uncompressed, non-partitioned heap table CITIES. Examine the command: SQL> ALTER TABLE cities SHRINK SPACE COMPACT; What must you do before executing it? 

A. Ensure free space that is approximately equal to the space used by the table should be available.
B. Ensure there are no pending transactions on the table. 
C. Enable row movement is enabled. 

Answer: C

Your database is configured for ARCHIVELOG mode, and a daily full database backup is taken. RMAN is configured to perform control file autobackup. In which three scenarios do you need media recovery? (Choose three.) 

A. loss of all the copies of the control file 
B. loss of all the inactive online redo log group members 
C. loss of a data file that belongs to the active undo tablespace 
D. loss of data files that belong to the SYSTEM tablespace 

Answer: A,C,D

What must you use to read data from a table in your database and write it to an external table?

A. Use SQL* LOADER conventional path load. 
B. Use SQL* LOADER direct path load. 
C. Use CREATE TABLE. . ORGANIZATION EXTERNAL command with ORACLE_LOADER access driver.
D. Use CREATE TABLE. . ORGANIZATION EXTERNAL command with ORACLE_DATAPUMP access driver

Answer: D

Which two statements are true about SQL *Loader Express Mode in an Oracle 12c database? (Choose two.)

A. The DEGREE_OF_PARALLELISM parameter is set to AUTO.
 B. You cannot have multiple SQL *Loader data files.
 C. If no data file is specified, it assumes the data file to be <table-name>.dat in the current directory and uses it.
 D. You can have multiple bad files created when loading in parallel.
 E. You can selectively load rows into a table based on a filter.

Answer: A,C

Which four statements are true about the components of the Oracle Scheduler? (Choose four.)

A. A schedule can be specified to a single job only. 
B. A scheduler job can point to a chain instead of pointing to a single program object. 
C. A job may get started automatically when a window opens. 
D. A program and job can be specified as part of a schedule definition. 
E. A job is specified as part of a program specification. 
F. A program can be used in the definition of multiple jobs. 
G. A program and schedule can be specified as part of a job definition. 

Answer: B,C,F,G

Examine the command:   SQL> CONNECT hr/hr@orcl   Which two configurations allow this command to execute successfully? (Choose two.)

A. In the tnsnames.ora file, the SERVICE_NAME value of CONNECT_DATA should be explicitly suffixed with the domain name.
 B. The SERVICE_NAMES initialization parameter should contain the name orcl in the database host.
 C. The orcl TNS alias should be defined such that it is resolvable by a client running on the database host.
 D. The orcl TNS alias should be defined in the tnsnames.ora file on both the client and the database host.
 E. The TNS_ADMIN environment variable should be set to orcl on the client. 

Answer: B,C

When is the UNDO_RETENTION parameter value ignored by a transaction?

A. when there are multiple undo tablespaces available in a database 
B. when the data file of the undo tablespace is autoextensible 
C. when the undo tablespace is of a fixed size and retention guarantee is not enabled 

Answer: C

To enable faster incremental backups, you enabled block change tracking for the database. Which two statements are true about the block change tracking file? (Choose two.)

A. Multiple change tracking files can be created for a database. 
B. The change tracking file must be created after the first level 0 backup. 
C. RMAN does not support backup and recovery of the change tracking file. 
D. The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations. 

Answer: C,D

Which set of statements is true about data dictionary views?   1. They are stored in the SYSTEM tablespace.  2. They are based on virtual tables.  3. They are owned by the SYS user.  4. They can be queried by a normal user only if the 07_DICTIONARY_ACCESSIBILITY parameter is set to TRUE.  5. The V$FIXED_TABLE view can be queried to list the names of these views.  6. They are owned by the SYSTEM user.

A. 2, 5, and 6
B. 1, 2, and 3
C. 1 and 3
D. 2, 3, 4, and 5

Answer: C

Which files must you copy from the Oracle home of the database that is being upgraded to the new Oracle home for Oracle Database 12c? (Choose three.)

A. the tnsnames.ora file 
B. the sqlnet.ora file 
C. the initialization parameter file 
D. the password file 
E. the listener.ora file 

Answer: A,B,E

Which three statements are true about the upgrade process? (Choose three.)

A. All system triggers are disabled during the upgrade process. 
B. Only queries on fixed views execute without errors until you run the catctl.pl script. 
C. The COMPATIBLE parameter must be set to at least 12.1.0 before issuing the command
D. All job queues remain active during the upgrade process. 
E. Only connections AS SYSDBA are allowed during the upgrade process. 

Answer: A,D,E

Your database supports an online transaction processing (OLTP) workload in which one of the applications creates a temporary table for a session and performs transactions on it. This consumes a lot of undo tablespace and generates lots of redo.   Which two actions would you take to solve this problem? (Choose two.)

A. Increase the size of the temporary tablespace.
B. Enable Automatic Memory Management (AMM).
C. Enable undo retention guarantee.
D. Enable temporary undo for the database.
E. Increase the size of the redo log buffer.

Answer: A,D

Your database has archive logging enabled and RMAN backups are taken at regular intervals. A data file in the USERS tablespace is damaged. Which command must you execute before starting the recovery of this tablespace?

A. ALTER TABLESPACE users OFFLINE 
B. STARTUP FORCE NOMOUNT 
C. STARTUP FORCE 

Answer: A

You create a locally managed tablespace ORDERS_TBS with automatic segment management. You then create the table DAILY_ORDS_LST in the ORDERS_TBS tablespace using the command. CREATE TABLE daily_ords_1st(ordno NUMBER, ord_date DATE) PCTFREE 20; How does the PCTFREE storage parameter influence data storage for this table?

A. It allows only 80% of space to be occupied in all data blocks of this table. 
B. It minimizes row chaining during row insertion. 
C. It minimizes row migration during existing row data updation. 

Answer: A

Which two statements are true about Oracle network connections? (Choose two.) 

A. A listener may listen on behalf of only one database instance at a time. 
B. A server process checks a user’s authentication credentials and creates a session if the credentials are valid.
C. The listener continuously monitors a connection after the user process connects to a service handler.
D. The listener always spawns a new server process to deal with each new connection. 
E. A connection request from a client is always first received by a listener running on the port that is used for the connection request for the database server.

Answer: B,E

What is pre-requisite to alter a role?

A. You should be granted the DBA role
B. You should set the OS_ROLES parameter to true. 
C. You should be granted the role with the GRANT OPTION.
D. You should have the ALTER ANY ROLE system privilege.

Answer: D

Which four operations performed after the Oracle Restart installation are automatically added to the Oracle Restart configuration? (Choose four.)

A. listener configured by using NETCA 
B. database service created by using SRVCTL 
C. database created by using a SQL statement
D. database created by using DBCA
E. ASM instance created by using ASMCA 

Answer: A,B,D,E

Which task is performed by a background process in a database instance?

A. Connecting between a client process and a dispatcher
 B. Executing PL/SQL code
 C. Creating dedicated server connections
 D. Copying online redo log files to offline storage 

Answer: D

One of your databases supports an OLTP workload.The default UNDO tablespace is fixed size with:1. RETENTION NOGUARANTEE2. UNDO_RETENTION is 12 minutesUser SCOTT gets this error after a query on the SALES table has run for more than 15minutes:ORA-01555: snapshot too oldWhich three factors taken separately or in some combination might be the cause?(Choose three.)

A. An update was made to the SALES table after the query began 
B. An update to the SALES table was committed after the query began 
C. A committed delete to the SALES table was made more than 12 minutes before the query began
D. An uncommitted update to the SALES table was made more than 12 minutes before the query began
E. A committed update to the SALES table was made more than 12 minutes before the query began

Answer: A,D,E

Identify two prerequisites for configuring Enterprise Manager Database Express (EM Express).

A. Grant the APEX_PUBLIC_USER role to the SYSMAN user. 
B. Use the DBMS_XDB_CONFIG.SETHTTPPORT procedure to configure a port number for Oracle HTTP Server. 
C. Install Oracle HTTP Server. 
D. Configure at least one dispatcher for the TCP/IP protocol. 

Answer: B,D

Examine the parameters: Your database instance is started with a PFILE. You want to increase the size of the buffer cache. Free memory is available to increase the size of the buffer cache. You execute the command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M; Which is the outcome?

A. Change is applied to the current instance, but does not persist after instance restart. 
B. The value is changed only in the PFILE and takes effect at the next instance startup. 

Answer: A

Which two statements are true about initialization parameter files? (Choose two.)

A. A lost or damaged SPFILE can be re-created by using the parameter values listed in the alert log.
 B. A PFILE must exist for an SPFILE to be created.
 C. The ALTER SYSTEM command cannot be used to change the value of any parameter if a database instance has started using a PFILE.
 D. Both the SPFILE and PFILE must always reside on a file system accessible from the database host server.
 E. On startup, by default a database instance always first searches for an SPFILE, and if it does not find any, searches for a PFILE. 

Answer: B,E

Which two options can be configured for an existing database by using the Database Configuration Assistant (DBCA)? (Choose two.)

A. Configure Label Security 
B. Database Vault in ORACLE_HOME 
C. Oracle Suggested Backup Strategy 

Answer: A,B

The performance of your database degrades between 11:00 AM and 3:00 PM. Automatic Workload Repository (AWR) snapshots are collected on an hourly basis. What is the most efficient way of diagnosing this problem? 

A. Create a custom ADDM task for the period defined by the snapshots taken between 11:00 AM and 3:00 PM.
B. Analyze the latest Automatic Database Diagnostic Monitor (ADDM) report.
C. Analyze the hourly ADDM reports generated between 11:00 AM and 3:00 PM. 

Answer: A

Which three functions can be performed by the SQL Tuning Advisor? (Choose three.)

A. recommending creation of indexes based on SQL workload
B. recommending restructuring of SQL statements that have suboptimal plans
C. checking schema objects for missing and state statistics
D. recommending optimization of materialized views E. generating SQL profiles

Answer: B,C,E

Automatic Shared Memory Management is enabled for your database instance. You notice that there are SQL statements performing poorly because of repeated parsing activity. Which action generates recommendations to overcome the performance issues?

A. running the Memory Advisor for the buffer cache 
B. running the Memory Advisor for the library  
 C. running the Memory Advisor for the SGA

Answer: B