单项选择题

View the following SQL statements:

You want to back out transaction T2. Which option would you use?()

A. It is possible, but transaction T3 also backs out.
B. It is possible with the NOCASCADE_FORCE option.
C. It is possible with the NONCONFLICT_ONLY option.
D. It is not possible because it has conflicts with transaction T3.


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1.多项选择题You plan to use SQL Performance Analyzer to analyze the SQL workload. You created a SQL Tuning Set as a part of the workload capturing. What information is captured as part of this process?()

A. the SQL text SQL
B. the execution plan
C. the execution context
D. the execution frequency
E. the system change number (SCN)

2.单项选择题You have applications that have frequently executed queries, and produce small and static result sets.You configure the sqlnet.ora file in the client machine to set a nonzero value for the OCI_RESULT_CACHE_MAX_SIZE parameter. What is the purpose of this configuration?()

A. to avoid round trips to the server by enabling caching of query results in client memory
B. to improve performance by storing a copy of the data from the private SQL area of the PGA
C. to enhance the query performance by creating a cache in the client memory for sorting operations
D. to avoid the storing of query plans and results in the server by creating a cache in the client memory

3.单项选择题

What is the outcome of this block of code?()

A. It creates a task and workload, and executes the task.
B. It creates a task and workload but does not execute the task.
C. It produces an error because a template has not been created.
D. It produces an error because the SQL Tuning Set has not been created.

4.单项选择题

View the Exhibit to examine the Automatic SQL Tuning result details.Which action would you suggest for the selected SQL statement in the Exhibit?()

A. Accept the recommended SQL profile.
B.Collect statistics for the related objects.
C. Run the Access Advisor for the SQL statement.
D. Run the Segment Advisor for recommendations.

5.单项选择题The SQL Tuning Advisor configuration has default settings in your database instance. Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task?()

A. statistics recommendations
B. SQL Profile recommendations
C. Index-related recommendations
D. restructuring of SQL recommendations

6.单项选择题During the installation of Oracle Database 11g, you do not set ORACLE_BASE explicitly. You selected the option to create a database as part of the installation. How would this environment variable setting affect the installation?()

A. The installation terminates with an error.
B. The installation proceeds with the default value without warnings and errors.
C. The installation proceeds with the default value but it would not be an OFA-compliant database.
D. The installation proceeds with the default value but a message would be generated in the alert log file.

7.多项选择题Which two statements are true regarding the functionality of the remap command in ASMCMD?()

A. It repairs blocks that have read disk I/O errors.
B. It checks whether the alias metadata directory and the file directory are linked correctly.
C. It repairs blocks by always reading them from the mirror copy and writing them to the original location.
D. It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.

8.多项选择题

Examine the following RMAN command:

Which two statements are true regarding the backup taken by using the above RMAN command?()

A. Only data files and the control file are backed up.
B. Archived redo logs are backed up only I f the database is open during the backup.
C. The backup is deleted after one day, regardless of the default retention policy settings.
D. The backup becomes obsolete after one day, regardless of the default retention policy settings.

9.单项选择题

You want to perform the following operations for the DATA ASM disk group:

Which command accomplishes these tasks?()

A. ALTER DISKGROUP data CHECK;
B. ALTER DISKGROUP data CHECK DISK;
C. ALTER DISKGROUP data CHECK FILE;
D. ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1;

10.多项选择题Which two statements are correct about database transportation? ()

A. The source and target platforms must be the same
B. Redo logs, control files and temp files are also transported
C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed
D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format

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Which three statements are true about persistent configuration?()

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View the exhibit and examine the TRANS table's storage information.After a massive delete operation, you executed the following statement to shrink the TRANS table:SQL> ALTER TABLE trans SHRINK SPACE CASCADE;Which statement describes the outcome of the command?()

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Note the following statements that use flashback technology:1. FLASHBACK TABLE <table> TO SCN <scn>;2. SELECT * FROM <table> AS OF SCN 123456;3. FLASHBACK TABLE <table> TO BEFORE DROP;4. FLASHBACK DATABASE TO TIMESTAMP <timestamp>;5. SELECT * FROM <table> VERSIONS AS OF SCN 123456 AND 123999;Which of these statements will be dependent on the availability of relevant undo data in the undo segment?()

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While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it.Identify the two events that can occur in the event of a log switch?()

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题型:多项选择题

Which two statements are true about a job chain?()

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The database is currently open and the temp03.dbf tempfile belonging to the default temporary tablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner?()

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