複選題
QUESTION 38 Examine this procedure: CREATE OR REPLACE PROCEDURE UPD_BAT_STAT (V_ID IN NUMBER DEFAULT 10, V_AB IN NUMBER DEFAULT 4) IS BEGIN UPDATE PLAYER_BAT_STAT SET AT_BATS = AT_BATS + V_AB WHERE PLAYER_ID = V_ID; COMMIT; END; Which two statements will successfully invoke this procedure in SQL *Plus? (Choose two)
(A) EXECUTE UPD_BAT_STAT;
(B) EXECUTE UPD_BAT_STAT(V_AB=>10, V_ID=>31);
(C) EXECUTE UPD_BAT_STAT(31, 'FOUR','TWO');
(D) UPD_BAT_STAT(V_AB=>10, V_ID=>31);
(E) RUN UPD_BAT_STAT;

QUESTION 34 What can you do with the DBMS_LOB package? long (A) Use the DBMS_LOB.WRITE procedure to write data to a BFILE. (B) Use the DBMS_LOB.BFILENAME function to locate an external BFILE. (C) Use the DBMS_LOB.FILEEXISTS function to find the location of a BFILE. (D) Use the DBMS_LOB.FILECLOSE procedure to close the file being accessed.

QUESTION 35 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 NUMBER(4,3); 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 NUMBER) 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 / Which statement will successfully assign .333 to the V_PLAYER_AVG variable from a procedure outside the package? 333 long (A) V_PLAYER_AVG := .333; (B) BB_PACK.UPD_PLAYER_STAT.V_PLAYER_AVG := .333; (C) BB_PACK.V_PLAYER_AVG := .333; (D) This variable cannot be assigned a value from outside of the package.

QUESTION 36 Examine this code: CREATE OR REPLACE PACKAGE comm_package IS g_comm NUMBER := 10; PROCEDURE reset_comm(p_comm IN NUMBER); END comm_package; / User Jones executes the following code at 9:01am: EXECUTE comm_package.g_comm := 15 User Smith executes the following code at 9:05am: EXECUTE comm_paclage.g_comm := 20 Which statement is true? (A) g_comm has a value of 15 at 9:06am for Smith. (B) g_comm has a value of 15 at 9:06am for Jones. (C) g_comm has a value of 20 at 9:06am for both Jones and Smith. (D) g_comm has a value of 15 at 9:03 am for both Jones and Smith. (E) g_comm has a value of 10 at 9:06am for both Jones and Smith. (AB). g_comm has a value of 10 at 9:03am for both Jones and Smith

QUESTION 37 Examine this code: CREATE OR REPLACE FUNCTION gen_email_name (p_first_name VARCHAR2, p_last_name VARCHAR2, p_id NUMBER) RETURN VARCHAR2 IS v_email_name VARCHAR2(19=; BEGIN v_email_name := SUBSTR(p_first_name, 1, 1) || SUBSTR(p_last_name, 1, 7) || '@Oracle.com'; UPDATE employees SET email = v_email_name WHERE employee_id = p_id; RETURN v_email_name; END; Which statement removes the function? (A) DROP gen_email_name; (B) REMOVE gen_email_name; (C) DELETE gen_email_name; (D) TRUNCATE gen_email_name; (E) DROP FUNCTION gen_email_name; (AB).ALTER FUNCTION gen_email_name REMOVE;

QUESTION 39 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 records an audit trail when a user makes changes to the database. (B) The trigger marks the user as logged on to the database before an audit statement is issued. (C) 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. (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.

QUESTION 40 Which view displays indirect dependencies, indenting each dependency? (A) DEPTREE (B) IDEPTREE (C) INDENT_TREE (D) I_DEPT_TREE

QUESTION 41 The OLD and NEW qualifiers can be used in which type of trigger? short (A) Row level DML trigger (B) Row level system trigger (C) Statement level DML trigger (D) Row level application trigger (E) Statement level system trigger (AB). Statement level application trigger

QUESTION 42 Which statement is true? long (A) Stored functions can be called from the SELECT and WHERE clauses only. (B) Stored functions do not permit calculations that involve database links in a distributed environment. (C) Stored functions cannot manipulate new types of data, such as longitude and latitude. (D) Stored functions can increase the efficiency of queries by performing functions in the query rather than in the application.

QUESTION 43 Examine the trigger: CREATE OR REPLACE TRIGGER Emp_count AFTER DELETE ON Emp_tab FOR EACH ROW DELCARE n INTEGER; BEGIN SELECT COUNT(*) INTO n FROM Emp_tab; DBMS_OUTPUT.PUT_LINE(' There are now ' || a || ' employees,'); END; This trigger results in an error after this SQL statement is entered: DELETE FROM Emp_tab WHERE Empno = 7499; How do you correct the error? long (A) Change the trigger type to a BEFORE DELET(E) (B) Take out the COUNT function because it is not allowed in a trigger. (C) Remove the DBMS_OUTPUT statement because it is not allowed in a trigger. (D) Change the trigger to a statement-level trigger by removing FOR EACH ROW.

QUESTION 44 What is true about stored procedures?short no 大寫 (A) A stored procedure uses the DELCLARE keyword in the procedure specification to declare formal parameters. (B) A stored procedure is named PL/SQL block with at least one parameter declaration in the procedure specification. (C) A stored procedure must have at least one executable statement in the procedure body. (D) A stored procedure uses the DECLARE keyword in the procedure body to declare formal parameters.