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Total No Of Questions: 100.
1) View the Exhibit and examine the structure of the EMPLOYEES table.You want to retrieve hierarchical data of the employees using the top-down hierarchy. Which SQL clause would let you choose the direction to walk through the hierarchy tree?


2) The OLD and NEW qualifiers can be used in which type of trigger?


3) You need to disable all triggers on the EMPLOYEES table. Which command accomplishes this?


4) OE and SCOTT are the users in the database. The ORDERS table is owned by OE. Evaluate the statements issued by the DBA in the following sequence: CREATE ROLE r1; GRANT SELECT, INSERT ON oe.orders TO r1; GRANT r1 TO scott; GRANT SELECT ON oe.orders TO scott; REVOKE SELECT ON oe.orders FROM scott; What would be the outcome after executing the statements?


5) Examine this code: CREATE OR REPLACE FUNCTION calc_sal(p_salary NUMBER) RETURN NUMBER IS v_raise NUMBER(4,2) DEFAULT 1.08; BEGIN RETURN v_raise * p_salary; END calc_sal; / Which statement accurately call the stored function CALC_SAL? (Choose two)


6) Examine the commands: CREATE TYPE typ_course_tab IS VARRAY(5) OF VARCHAR2(20) / CREATE TYPE typ_course_nst AS TABLE OF typ_course_tab / CREATE TABLE faculty (faculty_id NUMBER(5), faculty_name VARCHAR2(30), courses typ_course_nst) NESTED TABLE courses STORE AS course_stor_tab / INSERT INTO faculty VALUES (101, 'Jones', NULL); UPDATE (SELECT courses FROM faculty WHERE faculty_id=101) SET courses = typ_course_nst(11,'Oracle'); Which statement is true about the execution of these commands?


7) 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?


8) 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?


9) Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)


10) You have a row level BEFORE UPDATE trigger on the EMP table. This trigger contains a SELECT statement on the EMP table to ensure that the new salary value falls within the minimum and maximum salary for a given job title.What happens when you try to update a salary value in the EMP table?
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