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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. What is a condition predicate in a DML trigger?

A) A conditional predicate allows you to specify a WHEN-LOGGING-ON condition in the trigger body.
B) A conditional predicate allows you to specify a SHUTDOWN or STARTUP condition in the trigger body.
C) A conditional predicate allows you to combine several DBM triggering events into one in the trigger body.
D) A conditional predicate means you use the NEW and OLD qualifiers in the trigger body as a condition.

2. Examine this code:
CREATE OR REPLACE PROCEDURE insert_dept
(p_location_id NUMBER)
IS
v_dept_id NUMBER(4);
BEGIN
INSERT INTO departments
VALUES (5, 'Education', 150, p_location_id);
SELECT department_id
INTO v_dept_id
FROM employees
WHERE employee_id=99999;
END insert_dept;
/
CREATE OR REPLACE PROCEDURE insert_location
( p_location_id NUMBER,
p_city VARCHAR2)
IS
BEGIN
INSERT INTO locations(location_id, city)
VALUES (p_location_id, p_city);
insert_dept(p_location_id);
END insert_location;
/
You just created the departments, the locations, and the employees table. You did not insert any
rows. Next you created both procedures.
You new invoke the insert_location procedure using the following command:
EXECUTE insert_location (19, 'San Francisco')
What is the result in thisEXECUTE command?

A) The location table has one row.
The departments and the employees tables are empty.
B) The locations, departments, and employees tables are empty.
C) The locations table and the departments table both have one row. The employees table is empty.
D) The departments table has one row.
The locations and the employees tables are empty.

3. There is a CUSTOMER table in a schema that has a public synonym CUSTOMER and you are granted all object privileges on it. You have a procedure PROCESS_CUSTOMER that processes customer information that is in the public synonym CUSTOMER table. You have just created a new table called CUSTOMER within your schema. Which statement is true?

A) Creating the table has no effect and procedure PROCESS_CUSTOMER still accesses data from public synonym CUSTOMER table.
B) If the structure of your CUSTOMER table is the same as the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER is invalidated and gives compilation errors.
C) If the structure of your CUSTOMER table is the same as the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER successfully recompiles when invoked and accesses your CUSTOMER table.
D) If the structure of your CUSTOMER table is entirely different from the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER successfully recompiles and accesses your CUSTOMER table.

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

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

5. Which type of argument passes a value from a procedure to the calling environment?

A) IN
B) OUT
C) VARCHAR2
D) BOOLEAN

Solutions: