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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Examine this code:
CREATE OR REPLACE FUNCTION gen_email_name
(p_first VARCHAR2, p_last VARCHAR2)
RETURN VARCHAR2
IS
v_email_name VARCHAR (19) ;
BEGIN
v_email_bame := SUBSTR(p_first, 1, 1) ||
SUBSTR(p_last, 1, 7) ||
RETURN v_email_name;
END;
/
Which two statements are true? Select two.

A) This function can be used only on tables where there is a p_first and p_last column.
B) This function is invalid.
C) This function can be used only if the two parameters passed in are not null values.
D) This function can be used against any table.
E) This function cannot be used in a SELECT statement.
F) This function will generate a string based on 2 character values passed into the function.

2. 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)

A) UPDATE employees (calc_sal(salary))
SET salary = salary * calc_sal(salary);
B) SELECT salary, calc_sal(salary)
FROM employees
WHERE department_id = 60;
C) DELETE FROM employees(calc_sal(salary))
WHERE calc_sal(salary) > 1000;
D) SELECT last_name, salary, calc_sal(salary)
FROM employees ORDER BY
calc_sal(salary);
E) INSERT calc_sal(salary) INTO employees
WHERE department_id = 60;

3. Which statement is valid when removing procedures?

A) Use a drop procedure statement to drop a procedure that is part of a package.
Then recompile the package body.
B) Use a drop procedure statement to drop a standalone procedure.
C) Use a drop procedure statement to drop a procedure that is part of a package.
Then recompile the package specification.
D) For faster removal and re-creation, do not use a drop procedure statement.
Instead, recompile the procedure using the alter procedure statement with the REUSE SETTINGS
clause.

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

5. Which statement is true about removing packages?

A) You must remove the package body first
B) You must remove both the package body and the specification separately
C) Removing a package specification removes the body too
D) Removing a package specification removes all stand alone stored functions named in the specification
E) Removing the package body removes the specification too

Solutions: