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1z0-062 Oracle Real Exam Questions

Which two statements correctly describe the relationship between data files and logicaldatabase structures?

Question No : 1

A. A segment cannot span data files.B. A data file can belong to only one tablespace.C. An extent cannot span data files.D. The size of an Oracle data block in a data file should be the same as the size of an OS

block.

Answer: B,C



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An administrator account is granted the CREATE SESSION and SET CONTAINER systemprivileges.

Question No : 1

THREADED_EXECUTION = FALSE Which four statements are true about this administrator establishing connections to root ina CDB that has been opened in read only mode? A. You can conned as a common user by using the connect statement.B. You can connect as a local user by using the connect statement.C. You can connect by using easy connect.D. You can connect by using OS authentication.E. You can connect by using a Net Service name.F. You can connect as a local user by using the SET CONTAINER statement.

Answer: B,C



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Which three statements are true about Flashback Database?

Question No : 3

. , .B. Flashback Database uses a restored control file to recover a database.C. The Oracle database automatically creates, deletes, and resides flashback logs in theFast Recovery Area.D. Flashback Database can recover a database to the state that it was in before a resetlogs operation.E. Flashback Database can recover a data file that was dropped during the span of time of the f lashback.F. Flashback logs are used to restore to the blocks' before images, and then the redo datamay be used to roll forward to the desired flashback time.

Answer: B,C,F



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On your Oracle 12c database, you Issue the following commands to create indexesSQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customers_id, sales_rep_id)INVISIBLE;

Question No : 4

. _ _ . _ ,sales_rep_id); Which two statement are correct?

A. Both the indexes are created; however, only the ORD_COSTOMER index is visible.B. The optimizer evaluates index access from both the Indexes before deciding on whichindex to use for query execution plan.C. Only the ORD_CUSTOMER_IX1 index is created.D. Only the ORD_CUSTOMER_IX2 index is createdE. Both the indexes are updated when a new row is inserted, updated, or deleted In theorders table

Answer: A,Ehttps://www.pass4sures.com/1z0-062.html


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Examine the current value for the following parameters in your database instance:SGA_MAX_SIZE = 1024MSGA_TARGET = 700M

Question No : 5

_ _ _ =LOG_BUFFER = 200M You issue the following command to increase the value of DB_8K_CACHE_SIZE:SQL> ALTER SYSTEM SET DB_8K_CACHE_SIZE=140M; Which statement is true? A. It fails because the DB_8K_CACHE_SIZE parameter cannot be changed dynamically.B. It succeeds only if memory is available from the autotuned components if SGA.C. It fails because an increase in DB_8K_CACHE_SIZE cannot be accommodated withinSGA_TARGET.D. It fails because an increase in DB_8K_CACHE_SIZE cannot be accommodated withinSGA_MAX_SIZE.

Answer: Dhttps://www.pass4sures.com/1z0-062.html


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Examine the parameter for your database instance:

You generated the execution plan for the following query in the plan table and noticed that the nested loop join was done. After actual execution of the uer ou notice that the hash oin was done in the execution lan:

Question No : 7

Identify the reason why the optimizer chose different execution plans.

A. The optimizer used a dynamic plan for the query.B. The optimizer chose different plans because automatic dynamic sampling was enabled.C. The optimizer used re-optimization cardinality feedback for the query.D. The optimizer chose different plan because extended statistics were created for the columns used.

Answer: Bhttps://www.pass4sures.com/1z0-062.html


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You executed a DROP USER CASCADE on an Oracle 11g release 1 database andimmediately realized that you forgot to copy the OCA.EXAM_RESULTS table to the OCP schema.The RECYCLE_BIN enabled before the DROP USER was executed and the OCP user has been granted the

FLASHBACK ANY TABLE system privilege.

What is the quickest way to recover the contents of the OCA.EXAM_RESULTS table to the OCP schema?

Question No : 8

A . Execute FLASHBACK TABLE OCA.EXAM_RESULTS TO BEFORE DROP RENAME TOOCP.EXAM_RESULTS; connected as SYSTEM.

B. Recover the table using traditional Tablespace Point In Time Recovery.C. Recover the table using Automated Tablespace Point In Time Recovery.D . Recovery the table using Database Point In Time Recovery.E. Execute FLASHBACK TABLE OCA.EXAM_RESULTS TO BEFORE DROP RENAME TO

EXAM_RESULTS; connected as the OCP user.

Answer: C



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You conned using SQL Plus to the root container of a multitenant container database (CDB) withSYSDBA privilege.

The CDB has several pluggable databases (PDBs) open in the read/write mode.

There are ongoing transactions in both the CDB and PDBs.

Question No : 9

What happens alter issuing the SHUTDOWN TRANSACTIONAL statement?

A. The shutdown proceeds immediately.The shutdown proceeds as soon as all transactions in the PDBs are either committed or rolled hack.B. The shutdown proceeds as soon as all transactions in the CDB are either committed or rolled back.C. The shutdown proceeds as soon as all transactions in both the CDB and PDBs are either committedor rolled back.D. The statement results in an error because there are open PDBs.

Answer: Bhttps://www.pass4sures.com/1z0-062.html


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The ORCL database is configured to support shared server mode. You want to ensure thata user connecting remotely to the database instance has a one-to-one ratio between clientand server processes.

Which connection method guarantees that this requirement is met?

Question No : 10

A. connecting by using an external naming methodB. connecting by using the easy connect method

C. creating a service in the database by using the dbms_service.create_service procedureand using this service for creating a local naming service"D. connecting by using the local naming method with the server = dedicated parameter setin the tnsnames.ora file for the net serviceE. connecting by using a directory naming method

Answer: C,Ehttps://www.pass4sures.com/1z0-062.html


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(1Z0-062) Exam With Confidence