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You have a large amount of historical data in a flat file. Some analysts in your organization need toquery this data in the file. The file is too large to load the data in it into your current database. Which is the most effective method to access this data in your database（）

A.Use the database link.
B.Use the SQL*Loader utility.
C.Use the Oracle Data Pump utility.
D.Create an external table and leave the data in the flat file

多項選擇題

Which two statements are true regarding B-tree indexs（）

A.The leaf blocks in the index are doubly linked.
B.The leaf node stores a bitmap for each key value.
C.The rows with NULL value in key columns also have entries in the index.
D.The deletion of a row from the table causes a logical deletion in index leaf block and the space becomesavailable for the new leaf entry

單項選擇題

You want to check the details of few errors that users have reported. You search for the alert log fileand execute few commands to find the location of the alert log file. View the Exhibit and check the commands executed.What is the location of the alert_orcl.log file（）

A.ORACLE_HOME/dbs
B.ORACLE_HOME/rdbms
C./u01/app/oracle/admin/orcl/adump
D./u01/app/oracle/flash_recovery_area
E.ORACLE_BASE/diag/rdbms/orcl/orcl/alert
F.ORACLE_BASE/diag/rdbms/orcl/orcl/trace

單項選擇題

Your database instance is started using the server parameter file （SPFILE）. You executed acommand to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（）

A.The command succeeds only if Automatic Memory Management is not enabled.
B.The command succeeds， but you need to restart the database for changes to take effect.
C.The command returns an error because the size of the redo log buffer cannot be changed dynamically.
D.The parameter value is changed and it comes into effect as soon as space becomes available in the System Global Area （SGA）.

多項選擇題

View the Exhibit and examine the initialization parameter settings.Which three initialization parameters are to be set manually as they are not automatically tuned（）

A.LOG_BUFFER
B.SORT_AREA_SIZE
C.JAVA_POOL_SIZE
D.STREAMS_POOL_SIZE
E.DB_16K_CACHE_SIZE
F.DB_KEEP_CACHE_SIZE

多項選擇題

Which statements are true regarding the Oracle Data Pump export and import operations（）

A.You cannot export data from a remote database.
B.You can rename tables during an import operation.
C.You can overwrite existing dump files during an export operation.
D.You can compress the data during export but not the metadata because it is not supported

單項選擇題

You used the IMMEDIATE option to shut down your database instance. Consider the steps that may occurwhen a database instance is started and database is opened：1. SGA is allocated.2. Control file is read.3. Redo log files are opened.4. Instance recovery is started.5. Background processes are started.6. Data file headers are checked for consistency.7. Server parameter file or the initialization parameter file is read. Which option has the correct order in which these steps occur（）

A.7， 1， 5， 2， 3， 6， 4
B.1， 5， 7， 2， 3， 6； step 4 is not required
C.7， 1， 5， 2， 3， 6； step 4 is not requiredThis document was downloaded from =>> http：//www.amaderforum.com
D.1， 2， 3， 5， 6， 4； step 7 is not required

單項選擇題

View the Exhibit to observe the roles assigned to the SL_REP user. Which statement is true about theassignment of the SELECT_CATALOG_ROLE role to the SL_REP user（）

A.The user must enable the role explicitly.
B.The user can grant the role to other users.
C.The user cannot use the role until the DBA enables it explicitly.
D.The user can start using the role immediately without any changes

單項選擇題

View the Exhibit and identify the component marked with a question mark.（）

A.Checkpoint （CKPT）
B.Process Monitor （PMON）
C.Archiver Processes （ARCn）
D.Recoverer Process （RECO）
E.Memory Manager process （MMAN）

單項選擇題

All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL> UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.SQL> DELETE FROM persons WHERE exp=’Y’；3 rows deleted.The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands（）

A.All sessions of the HR user only
B.All sessions of the HR user and the SYS user
C.The session of the HR user that executed the commands
D.All the sessions for which the database users have access privilege to the PERSONS table

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1Z0-052章節(jié)練習(2020.04.03)

You have a large amount of historical data in a flat file. Some analysts in your organization need toquery this data in the file. The file is too large to load the data in it into your current database. Which is the most effective method to access this data in your database（）

Which two statements are true regarding B-tree indexs（）

You want to check the details of few errors that users have reported. You search for the alert log fileand execute few commands to find the location of the alert log file. View the Exhibit and check the commands executed.What is the location of the alert_orcl.log file（）

Your database instance is started using the server parameter file （SPFILE）. You executed acommand to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（）

View the Exhibit and examine the initialization parameter settings.Which three initialization parameters are to be set manually as they are not automatically tuned（）

Which statements are true regarding the Oracle Data Pump export and import operations（）

View the Exhibit to observe the roles assigned to the SL_REP user. Which statement is true about theassignment of the SELECT_CATALOG_ROLE role to the SL_REP user（）

View the Exhibit and identify the component marked with a question mark.（）

1Z0-052章節(jié)練習(2020.04.03)

You have a large amount of historical data in a flat file. Some analysts in your organization need toquery this data in the file. The file is too large to load the data in it into your current database. Which is the most effective method to access this data in your database（）

Which two statements are true regarding B-tree indexs（）

You want to check the details of few errors that users have reported. You search for the alert log fileand execute few commands to find the location of the alert log file. View the Exhibit and check the commands executed.What is the location of the alert_orcl.log file（）

Your database instance is started using the server parameter file （SPFILE）. You executed acommand to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（）

View the Exhibit and examine the initialization parameter settings.Which three initialization parameters are to be set manually as they are not automatically tuned（）

Which statements are true regarding the Oracle Data Pump export and import operations（）

View the Exhibit to observe the roles assigned to the SL_REP user. Which statement is true about theassignment of the SELECT_CATALOG_ROLE role to the SL_REP user（）

View the Exhibit and identify the component marked with a question mark.（）

Your database instance is started using the server parameter file （SPFILE）. You executed acommand to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（）