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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

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

2. Given a function CALCTAX:
CREATE OR REPLACE FUNCTION calctax (sal NUMBER) RETURN NUMBER
IS
BEGIN
RETURN (sal * 0.05);
END;
If you want to run the above function from the SQL *Plus prompt, which statement is true?

A) You need to create a SQL *Plus environment variable X and issue the command :X := CALCTAX(1000);.
B) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX;
C) You need to execute the command EXECUTE FUNCTION calctax;.
D) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX(1000);
E) You need to execute the command CALCTAX(1000);.

3. Which three are true regarding error propagation? (Choose three)

A) An exception raised inside an exception handler immediately propagates to the enclosing block.
B) An exception cannot propagate across remote procedure calls.
C) An exception raised inside a declaration immediately propagates to the current block.
D) The use of the RAISE; statement in an exception handler reraises the current exception.

4. Examine this code:
CREATE OR REPLACE PROCEDURE audit_action (p_who VARCHAR2) AS BEGIN INSERT INTO audit(schema_user) VALUES(p_who); END audit_action; /
CREATE OR REPLACE TRIGGER watch_it AFTER LOGON ON DATABASE CALL audit_action(ora_login_user) / What does this trigger do?

A) The trigger invokes the procedure audit_action each time a user logs on to the database and adds the username to the audit table.
B) The trigger invoked the procedure audit_action each time a user logs on to his/her schema and adds the username to the audit table.
C) The trigger records an audit trail when a user makes changes to the database.
D) The trigger marks the user as logged on to the database before an audit statement is issued.

5. Which two statements about object dependencies are accurate? (Choose two.)

A) When referencing a package procedure or function from a stand-alone procedure or function, if the package body changes and the package specification does not change, the stand-alone procedure referencing a package construct becomes invalid
B) When referencing a package procedure or function from a stand-alone procedure or function, if the package body changes and the package specification does not change, the stand-alone procedure referencing a package construct remains valid.
C) When referencing a package procedure or function from a stand-alone procedure or function, if the package specification changes, the package body remains valid but the stand-alone procedure becomes invalid
D) When referencing a package procedure or function from a stand-alone procedure or function, If the package specification changes, the stand-alone procedure referencing a package construct as well as the package body become invalid

Solutions: