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READ Free Dumps For Oracle- 1z0-050





Question ID 1941

Evaluate the following code:
SQL>VARIABLE task_name VARCHAR2(255); SQL>VARIABLE sql_stmt VARCHAR2(4000); SQL>BEGIN
:sql_stmt := 'SELECT COUNTO FROM customers
 
WHERE cust_state_province =”CA”; :task_name := 'MY_QUICKTUNE_TASK'; DBMS_ADVISOR .QUICK_TUNE(DBMS_ADVISOR .SQLACCESS_ADVISOR,
:task_name, :sql_stmt); END;
What is the outcome of this block of code?
 

Option A

A.    It creates a task and workload, and executes the task.
 

Option B

B.    It creates a task and workload but does not execute the task.
 

Option C

C.    It produces an error because a template has not been created.

 

Option D

D.    It produces an error because the SQL Tuning Set has not been created.

Correct Answer A
Explanation


Question ID 1942

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?
 

Option A

A.    to avoid round trips to the server by enabling caching of query results in client memory
 

Option B

B.    to improve performance by storing a copy of the data from the private SQL area of the PGA
 

Option C

C.    to enhance the query performance by creating a cache in the client memory for sorting operations

 

Option D

D.    to avoid the storing of query plans and results in the server by creating a cache in the client memory

Correct Answer A
Explanation

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