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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Local procedure A calls remote procedure B.
Procedure B was compiled at 8 A.M.
Procedure A was modified and recompiled at 9 A.M. Remote procedure B was later modified and recompiled at 11 A.M.
The dependency mode is set to TIMESTAMP.
What happens when procedure A is invoked at 1 P.M?

A) There is no affect on procedure A and it runs successfully.
B) Procedure B is invalidated and recompiles when invoked.
C) Procedure A is invalidated and recompiles for the first time it is invoked.
D) Procedure A is invalidated and recompiles for the second time it is invoked.

2. Examine this code:
CREATE OR REPLACE PRODECURE add_dept (p_dept_name VARCHAR2 DEFAULT 'placeholder', p_location VARCHAR2 DEFAULT 'Boston')
IS BEGIN INSERT INTO departments VALUES (dept_id_seq.NEXTVAL, p_dept_name, p_location); END add_dept; /
Which three are valid calls to the add_dep procedure? (Choose three)

A) add_dept(p_location=>'New York');
B) add_dept(, 'New York');
C) add_dept;
D) add_dept('Accounting');

3. Examine the trigger heading:
CREATE OR REPLACE TRIGGER salary_check BEFORE UPDATE OF sal, job ON emp FOR EACH ROW
Under which condition does this trigger fire?

A) When a row is inserted into the EMP table.
B) When any column other than the SAL and JOB columns in a row are updated in the EMP table.
C) When the value of the SAL or JOB column in a row is updated in the EMP table.
D) Only when both values of the SAL and JOB columns in a row are updated together in the EMP table.

4. What happens during the execute phase with dynamic SQL for INSERT, UPDATE, and DELETE operations?

A) The area of memory established to process the SQL statement is released.
B) The SQL statement is run and the number of rows processed is returned.
C) The rows are selected and ordered.
D) An area of memory is established to process the SQL statement.
E) The validity of the SQL statement is established.

5. Which code successfully calculates tax?

A) CREATE OR REPLACE FUNCTION calctax (p_no NUMBER)
RETURN NUMBER IS
v_sal NUMBER;
tax NUMBER;
BEGIN SELECT sal INTO v_sal FROM emp WHERE empno = p_no; tax := v_sal * 0.05; END
B) CREATE OR REPLACE FUNCTION calctax (p_no NUMBER)
RETURN NUMBER IS
v_sal NUMBER;
BEGIN
SELECT sal INTO v_sal
FROM emp
WHERE empno = p_no;
RETURN (v_sal * 0.05);
END;
C) CREATE OR REPLACE PROCEDURE calctax (p_no IN NUMBER)
RETURN tax IS
v_sal NUMBER;
tax Number;
BEGIN
SELECT sal INTO v_sal
FROM emp
WHERE empno = p_no;
tax := v_sal * 0.05;
END;
D) CREATE OR REPLACE FUNCTION calctax (p_no NUMBER) IS
v_sal NUMBER;
tax NUMBER;
BEGIN
SELECT sal INTO v_sal
FROM emp
WHERE empno = p_no;
tax := v_sal * 0.05;
RETURN (tax);
END;

Solutions: