单项选择题

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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1.多项选择题Which  kinds of failures make the Data Recovery Advisor (DRA) generate a manual checklist?()

A.Failure when no standby database is configured
B.Failure because a data file is renamed accidentally
C.Failure that requires no archive logs to be applied for recovery
D.Failure due to loss of connectivity-for example, an unplugged disk cable

2.单项选择题

Your database is functional with a peak load for the last one hour. You want to preserve the performancestatistics collected during this period to be used for comparison when you analyze the performance of thedatabase in the future. 
What action would you take to achieve this task()

A.Insert finding directives for ADDM tasks in the future.
B.Create a baseline on a pair of snapshots spanning the peak-load period.
C.Decrease the snapshot interval in the AWR to collect more snapshots during the peak- load period.
D.Set the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid automaticpurging of snapshots

3.单项选择题

View the Exhibit. You are creating an additional database by using the Database Configuration Assistant(DBCA). You opted to create a General Purpose database and during the database creation realize that theBlock Size field is not enabled. 
What could be the reason for this()

A.You have chosen the File System option as the storage option.
B.You have chosen the Automatic Storage Management (ASM) as the storage option.
C.The data block size can be increased only when DBCA is invoked from Oracle Universal Installer (OUI).
D.You are using General Purpose template and not the Custom Database template to create the database

4.多项选择题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

5.多项选择题Which  statements are true about checkpointing()

A.The checkpoint frequency decreases with the smaller redo log file size.
B.It ensures that all committed data is written to the data files during normal shutdown.
C.The frequent full checkpoint in a database can cause the overall degradation of the database performance.
D.It prompts the Checkpoint (CKPT) process to write data to the data files and redo information to the onlineredo log files

6.多项选择题

After performing a clean shut down of the database instance for maintenance, you mount the database andthen execute a command to open the database:SQL> ALTER DATABASE OPEN;
Which two statements are true()

A.The online redo log files and online data files are opened.
B.All the online data file headers are checked for consistency.
C.Instance recovery is performed before opening the database.
D.The path and existence of all the log file members are checked

7.单项选择题In which situation is the UNDO_RETENTION parameter be ignored, even if it is set to a value()

A.When the data file of the undo tablespace is autoextensible
B.When there are more than one undo tablespaces available in the database
C.When the undo tablespace is of a fixed size and retention guarantee is not enabled
D.When the undo tablespace is autoextensible and retention guarantee is not enabled

8.多项选择题

The user HR receives the following error while inserting data into the TTK table:ERROR at line 1:
ORA-01653: unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation, you find that SMDis a small file tablespace.
Which three action would allow the user to insert data()

A.Add a data file to the SMD tablespace.
B.Add a data file to the temporary tablespace associated with the user HR.
C.Resize the data file associated with the SMD tablespace to make it larger.
D.Alter the data file associated with the SMD tablespace to grow automatically.
E.Change the segment space management for the SMD tablespace to automatic

9.单项选择题

View the Exhibit and examine the attributes of an undo tablespace. In an OLTP system, the user SCOTT hasstarted a query on a large table in the peak transactional hour that performs bulk inserts. The query runs formore than 15 minutes and then SCOTT receives the following error:ORA-01555: snapshot too old
What could be the reason for this error()

A.The query is unable to get a read-consistent image.
B.There is not enough space in Flash Recovery Area.
C.There is not enough free space in the flashback archive.
D.The query is unable to place data blocks in undo tablespace

10.单项选择题

View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is owned by theSCOTT user. The SL_REP user executes the following command:SQL> GRANT SELECT ON scott.emp TO hr;
Which statement describes the outcome of the command()

A.The command executes successfully.
B.The command produces an error because the EMP table is owned by SCOTT.
C.The command produces an error because SL_REP has the GRANT ANY OBJECT PRIVILEGE withoutADMIN_OPTION.
D.The command produces an error because SL_REP does not have the SELECT privilege withGRANT_OPTION on the EMP table

最新试题

Your database is functional with a peak load for the last one hour. You want to preserve the performancestatistics collected during this period to be used for comparison when you analyze the performance of thedatabase in the future. What action would you take to achieve this task()

题型:单项选择题

The user HR receives the following error while inserting data into the TTK table:ERROR at line 1:ORA-01653: unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation, you find that SMDis a small file tablespace.Which three action would allow the user to insert data()

题型:多项选择题

View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes, youexecuted the following command:SQL> SELECT reason,metric_value FROM dba_outstanding_alerts; REASON METRIC_VALUE------------------------------ ---------------------- Tablespace [TEST] is [28 perce 28.125 nt] fullWhat could be the reason for the elimination of the other rows in the output()

题型:单项选择题

You execute the following command to change the status of the SALES tablespace:SQL> ALTER TABLESPACE sales OFFLINE;Which statements describe the effect of the command()

题型:多项选择题

Which statements are true about logical structures of the Oracle database()

题型:多项选择题

You set the following parameters in the parameter file and restarted the database:MEMORY_MAX_TARGET=0MEMORY_TARGET=500MPGA_AGGREGATE_TARGET=90MSGA_TARGET=270MWhich two statements are true about these parameters after the database instance is restarted()

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Which  statements regarding the server parameter file (SPFILE) are true()

题型:多项选择题

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

题型:多项选择题

Which  statements are true regarding a tablespace()

题型:多项选择题

View the Exhibit. You are creating an additional database by using the Database Configuration Assistant(DBCA). You opted to create a General Purpose database and during the database creation realize that theBlock Size field is not enabled. What could be the reason for this()

题型:单项选择题