Oracle 1Z0-147 Valid Test : Oracle9i program with pl/sql

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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Which code can you use to ensure that the salary is not increased by more than 10% at a time nor is it ever decreased?

A) CREATE OR REPLACE TRIGGER check_sal
BEFORE UPDATE OF sal ON emp
FOR EACH ROW
WHEN (new.sal < old.sal OR
new.sal > old.sal * 1.1)
BEGIN
RAISE_APPLICATION_ERROR ( - 20508, 'Do not decrease
salary not increase by more than 10%');
END;
B) ALTER TABLE emp ADD
CONSTRAINT ck_sal CHECK (sal BETWEEN sal AND sal*1.1);
C) CREATE OR REPLACE TRIGGER check_sal
AFTER UPDATE OR sal ON emp
WHEN (new.sal < old.sal OR
-new.sal > old.sal * 1.1)
BEGIN
RAISE_APPLICATION_ERROR ( - 20508, 'Do not decrease
salary not increase by more than 10%');
END;
D) CREATE OR REPLACE TRIGGER check_sal
BEFORE UPDATE OF sal ON emp
WHEN (new.sal < old.sal OR
new.sal > old.sal * 1.1)
BEGIN
RAISE_APPLICATION_ERROR ( - 20508, 'Do not decrease
salary not increase by more than 10%');
END;

2. Examine this package: CREATE OR REPLACE PACKAGE BB_PACK IS V_MAX_TEAM_SALARY NUMBER ( 12,2) ; PROCEDURE ADD_PLAYER (V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY NUMBER); END BB_PACK; / CREATE OR REPLACE PACKAGE BODY BB_PACK
IS
V_PLAYER_AVG NUMBER84,3);
PROCEDURE UPD_PLAYER_STAT
(V_ID IN NUMBER, V_AB IN NUMBER DEFAULT 4, V_HITS IN NUMBER)
IS
BEGIN
UPDATE PLAYER_BAT_STAT
SET AT_BATS = AT_BATS + V_AB,
HITS = HITS + V_HITS
WHERE PLAYER_ID = V_ID;
COMMIT;
VALIDATE_PLAYER_STAT(V_ID);
END UPD_PLAYER_STAT;
PROCEDURE ADD_PLAYER
(V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY NUMBERI)
IS
BEGIN
INSERT INTO PLAYER (ID,LAST_NAME, SALARY)
VALUES (V_ID, V_LAST_NAME, V_SALARY);
UPD _PLAYER_STAT (V_ID, 0, 0) ;
END ADD_PLAYER;
END BB_PACK;
If you add an IF statement to the ADD_PLAYER procedure which additional step must you
perform?
r A Recompile the ADD PLAYER procedure
Recompile both the BB PACK specification and body

A) Recompile the ADD_PLAYER procedure
B) Recompile both the BB_PACK specification and body
C) Recompile the BB_PACK specification
D) Recompile the BB_PACK body

3. To be callable from a SQL expression, a user-defined function must do what?

A) Be stored only in the database.
B) Use the positional notation for parameters.
C) Have both IN and OUT parameters.
D) Return a BOOLEAN or VARCHAR2 data type.

4. 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 cannot be used in a SELECT statement.
C) This function will generate a string based on 2 character values passed into the function.
D) This function can be used only if the two parameters passed in are not null values.
E) This function can be used against any table.
F) This function is invalid.

5. Which statement is valid when removing procedures?

A) 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.
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) Use a drop procedure statement to drop a procedure that is part of a package.
Then recompile the package body.

Solutions: