单项选择题

A.Run the SQL Access Advisor.B.Run the Memory Advisor f……

Automatic Shared Memory Management is disabled for your database instance. You realize that there arecases of SQL statements performing poorly because of repeated parsing activity， resulting in degradation ofperformance.
What would be your next step to improve performance（）

A.Run the SQL Access Advisor.
B.Run the Memory Advisor for the sga
C.Run the Memory Advisor for the pga.
D.Run the Memory Advisor for the shared pool.
E.Run the Memory Advisor for the buffer cache

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热门试题

多项选择题WhichtwostatementsaretrueaboutsettingtheFAST_START_MTTR_TARGETinitializationparametertoanonzerovalue（）

A.The MTTR advisor will be disabled.
B.Automatic checkpoint tuning will be enabled.
C.The value for the LOG_CHECKPOINT_INTERVAL initialization parameter will be override the value forFAST_START_MTTR_TARGET.
D.The time taken to recover the instance after the crash is always exactly the same as the value given for theinitialization parameter.

单项选择题Note the following points describing various utilities in Oracle Database 11g： 1. It enables the transfer of data from one database to another. 2. It provides a complete solution for the backup， restoration， and recovery needs of the entire database. 3. It enables the loading of data from an external file into tables of an Oracle database. 4. It provides a tape backup management for the Oracle ecosystem. Which point describes the Oracle Data Pump utility（）

A.1
B.2
C.3
D.4
E.1 and 3
F.1， 2， 3， and 4

多项选择题Examine the commands executed in a DBA session：SQL> CREATE BIGFILE TABLESPACE MRKT 2 DATAFILE ’ u01 app oracle oradata orcl mrkt.dbf’ size 10M LOGGING 3 EXTENT MANAGEMENT LOCALSEGMENT SPACE MANAGEMENT AUTO； Tablespace created. SQL> ALTER DATABASE DEFAULT TABLESPACE MRKT； Database altered. Which two statements are trueregarding the MRKT tablespace（）

A.No more data files can be added to the tablespace.
B.Segment space is managed by free lists in the tablespace.
C.A user created without being assigned a default tablespace uses this tablespace.
D.The tablespace can be dropped with the current setting with segments present in it

多项选择题WhichtwostatementsaretrueregardingtransactionsinanOracledatabase（）

A.Multiple transactions can use the same undo segment.
B.A transaction is assigned an undo segment when it is started.
C.More than one transaction cannot share the same extent in the undo tablespace.
D.The transactions use system undo segment to store undo data if all the segments in the undo tablespaceare used.

多项选择题View the Exhibit1， which shows the options that are selected to create the user SL_REP. View the Exhibit2 andexamine the contents of DATABASE_PROPERTIES. Which two statements are true regarding this user（）

A.The user is authenticated by the operating system.
B.The objects created by the user are placed in the USERS tablespace.
C.The user does not require quota on the TEMP tablespace to perform sort operations.
D.The user is forced to change the password at the first login to the database instance.
E.The objects created by the user in future are unlocked to be accessed by all the users in the database bydefault.