Free Download Latest 2014 Pass4sure&Lead2pass Oracle 1Z0-050 Dumps (71-80)

By | May 6, 2014

QUESTION 71
Evaluate the following command and its output:
SQL>SELECT * FROM dba_temp_free_space;
TABLESPACE_NAME TABLESPACE_SIZE ALLOCATED_SPACE FREE_SPACE ————— ————— ————– ————- LMTEMP 250609664 101048576 149561088
Which two statements correctly interpret the output? (Choose two.)

A.    FREE_SPACE indicates only the space that is currently unallocated.
B.    ALLOCATED_SPACE indicates only the space currently allocated and in use.
C.    FREE_SPACE indicates only the space that is currently allocated and available for reuse.
D.    ALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is
available for reuse.
E.    FREE_SPACE indicates both the space that is currently allocated and available for reuse, and the
space that is currently unallocated.

Answer: DE

QUESTION 72
In your database, the RESULT_CACHE_MODE parameter has been set to MANUAL in the initialization parameter file.
You issued the following command:
SQL>SELECT /*+ RESULT_CACHE */ sale_category, sum(sale_amt) FROM sales
GROUP BY sale_category;
Where would the result of this query be stored?

A.    PGA
B.    large pool
C.    shared pool
D.    database buffer cache

Answer: C

QUESTION 73
You are working on a CATDB database that contains an Oracle Database version 11.1 catalog schema owned by the user RCO11. The INST1 database contains an Oracle Database version 10.1 catalog schema owned by the user RCAT10.
You want the RMAN to import metadata for database IDs 1423241 and 1423242, registered in RCAT10, into the recovery catalog owned by RCO11.
You executed the following RMAN commands:
RMAN> CONNECT CATALOG rco11/[email protected]
RMAN> IMPORT CATALOG rcat10/[email protected];
What happens when you execute the above commands? (Choose all that apply.)

A.    They deregister all databases registered in the RCAT10 catalog.
B.    They import metadata for all registered databases in the RCAT10 database.
C.    They register all the RCAT10-catalog registered databases in the RCO11 catalog.
D.    They overwrite all stored scripts in the RCO11 catalog with the same name as that in the RCAT10
catalog.

Answer: ABC

QUESTION 74
Which three are the valid statements in relation to SQL plan baselines? (Choose three.)

A.    The plans can be manually loaded to the SQL plan baseline.
B.    The plans in the SQL plan baseline are verified and accepted plans.
C.    The plans generated for every SQL statement are stored in the SQL plan baseline by default.
D.    The plan baselines are stored temporarily in the memory as long as the database instance is running.
E.    For the SQL plan baselines to be accessible to the optimizer, the SYSAUX tablespace must be online.

Answer: ABE

QUESTION 75
You run the SQL Tuning Advisor (STA) to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement, which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile?

A.    The tuned plan is not added to the SQL plan baseline.
B.    The tuned plan is added to the fixed SQL plan baseline as a fixed plan.
C.    The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.
D.    The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.

Answer: C

QUESTION 76
Which three statements correctly describe the features of the I/O calibration process? (Choose three.)

A.    Only one I/O calibration process can run at a time.
B.    It automates the resource allocation for the Automated Maintenance Tasks.
C.    It improves the performance of the performance-critical sessions while running.
D.    It can be used to estimate the maximum number of I/Os and maximum latency time for the system.
E.    The latency time is computed only when the TIMED_STATISTICS initialization parameter is set
to TRUE.

Answer: ADE

QUESTION 77
Which two statements about the SQL Management Base (SMB) are true? (Choose two.)

A.    It contains only SQL profiles generated by SQL Tuning Advisor.
B.    It stores plans generated by the optimizer using a stored outline.
C.    It is part of the data dictionary and stored in the SYSAUX tablespace.
D.    It is part of the data dictionary and stored in the SYSTEM tablespace.
E.    It contains the statement log, the plan history, plan baselines, and SQL profiles.

Answer: CE

QUESTION 78
Sales details are being stored on a daily basis in the SALES_2007 table. A large amount of data is added to the table daily. To save disk space, you issued the following command:
ALTER TABLE sales_2007 COMPRESS FOR ALL OPERATIONS;
What would be the outcome of this command?

A.    It produces an error because data already exists in the table.
B.    It produces an error because compression can be enabled at table creation only.
C.    It compresses all data added or modified henceforth but the existing data in the table is not
compressed immediately.
D.    It immediately compresses all existing data as well as new data, resulting from either fresh
additions or modifications to existing data.

Answer: C

QUESTION 79
Which client requests to the database can be captured as a part of the workload capture? (Choose all that apply.)

A.    flashback query
B.    distributed transactions
C.    logging in and logging out of sessions
D.    all DDL statements having bind variables
E.    direct path load of data from external files

Answer: CD

QUESTION 80
Which two statements are true regarding the SQL Repair Advisor? (Choose two.)

A.    The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.
B.    The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement
crash.
C.    The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic
SQL statement.
D.    The DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when
a SQL statement crashes and an incident is created in the ADR.

Answer: BD

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