Oracle 1Z0-146 exam

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Web Demo:
1.View the Exhibit and examine the structure of the EMPLOYEES table.
Examine the following PL/SQL block:
DECLARE
TYPE EmpList
IS VARRAY(2) OF employees.employee_id%TYPE NOT NULL;
v_employees EmpList := EmpList();
BEGIN
DBMS_OUTPUT.PUT_LINE(v_employees.COUNT);
v_employees.EXTEND;
v_employees(1) := 30;
END;
/
Which statement is true about the outcome on executing the above PL/SQL block?
A. It executes successfully and displays the value 2.
B. It executes successfully and displays the value 0.
C. It generates an error because EXTEND cannot be used for varrays.
D. It generates an error because the declaration of the varray is not valid.
Answer: B


2.Examine the structure of the DEPARTMENTS table.
Name Null? Type
----------------------------- ------------ ----------
DEPARTMENT_ID NOT NULL NUMBER(4)
DEPARTMENT_NAME NOT NULL VARCHAR2(30)
LOCATION_ID NUMBER(4)
View the Exhibit and examine the code that you plan to use for creating a package to obtain the details of an employee using a host variable on the client side.
In SQL*Plus, you plan to use the following commands:
SQL> VARIABLE x REFCURSOR
SQL> EXECUTE emp_data.get_emp(195,:x)
SQL> PRINT x
Which statement is true about the above scenario?
A. The package executes successfully and passes the required data to the host variable.
B. The package specification gives an error on compilation because cursor variable types cannot be defined in the specification.
C. The package specification gives an error on compilation because the cursor variable parameter was specified before you defined it.
D. The package executes successfully, but does not pass the required data to the host variable because the cursor is closed before the PRINT statement runs.
Answer: D


3.The database instance was recently started up. Examine the following parameter settings for the database instance:
NAME TYPE VALUE
------------------------------------ ----------- ----------------------------
.........
result_cache_max_result integer 5
result_cache_max_size big integer 0
result_cache_mode string MANUAL
result_cache_remote_expiration integer 0
.........
You reset the value for the result_cache_max_size parameter by issuing the following command:
SQL> ALTER SYSTEM SET result_cache_max_size = 1056k SCOPE = BOTH;
System altered.
Which statement is true in this scenario?
A. 1056 KB is allocated for the result cache and the result cache is enabled.
B. 1056 KB is allocated for the result cache, but the result cache is disabled.
C. The results for only the queries that have the RESULT_CACHE hint are cached.
D. The results for all the queries except those having the NO_RESULT_CACHE hint are cached.
Answer: B


Related Exams:
1Z1-238 - R12-Oracle:-Install--Patch-and-Maintain-Oracle-Applications
1z0-050 - Oracle-Database-11g:-New-Features-for-Administrators
1z0-140 - oracle9i-forms-developer:new-features
1Z0-228 - Peoplesoft-Enterprise-9-General-Ledger
1Z0-052 - Oracle-Database-11g:-Administration-I

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