Oracle 1Z0-147 real exam prep : Oracle9i program with pl/sql

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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

Question 1

Examine this code:
CREATE OR REPLACE STORED FUNCTION get_sal
(p_raise_amt NUMBER, p_employee_id employees.employee_id%TYPE)
RETURN NUMBER
IS
v_salary NUMBER;
v_raise NUMBER(8,2);
BEGIN
SELECT salary
INTO v_salary
FROM employees
WHERE employee_id = p_employee_id;
v_raise := p_raise_amt * v_salary;
RETURN v_raise;
END;
Which statement is true?

A. This statement creates a stored procedure named get_sal.
B. This statement fails.
C. This statement creates a stored function named get_sal.
D. This statement creates a stored function named get_sal with a status of invalid.
E. This statement returns a raise amount based on an employee id.

Question 2

The creation of which database objects will cause a DDL trigger to fire? (Choose all that apply)

A. Function
B. Dimensions
C. Cluster
D. Index
E. Package
F. Database links
G. Synonyms

Question 3

Under which two circumstances do you design database triggers? (Choose two)

A. For centralized, global operations that should be fired for the triggering statement, regardless of which user or application issues the statement.
B. To replicate built-in constraints in the Oracle server such as primary key and foreign key.
C. To guarantee that when a specific operation is performed, related actions are performed.
D. To duplicate the functionality of other triggers.

Question 4

Which three are true statements about dependent objects? (Choose three)

A. The Oracle server automatically records dependencies among objects.
B. You can view whether an object is valid or invalid in the USER_STATUS data dictionary view.
C. You can view whether an object is valid or invalid in the USER_OBJECTS data dictionary view.
D. All schema objects have a status that is recorded in the data dictionary.
E. An object with status of invalid cannot be a referenced object.
F. Invalid objects cannot be described.

Question 5

Which two statements about functions are true? (Choose two.)

A. Client-side functions can be used in SOL statements
B. From SOL*Plus, a function can be executed by giving the command EXECUTE functionname;
C. A function must have a return statement in its body to execute successfully
D. A stored function increases efficiency of queries by performing functions on the server rather than in the application
E. A stored function that is called from a SOL statement can return a value of any PL/SOL variable data type

Solutions: