QUESTION 19 Which statement about triggers is true? short
(A) You use an application trigger to fire when a DELETE statement occurs.
(B) You use a database trigger to fire when an INSERT statement occurs.
(C) You use a system event trigger to fire when an UPDATE statement occurs.
(D) You use INSTEAD OF trigger to fire when a SELECT statement occurs.

複選題QUESTION 15 Which two statements about packages are true? (Choose two) (A) Both the specification and body are required components of a package. (B) The package specification is optional, but the package body is required. (C) The package specification is required, but the package body is optional. (D) The specification and body of the package are stored together in the database. (E) The specification and body of the package are stored separately in the database.

QUESTION 16 When creating a function in SQL *Plus, you receive this message: "Warning: Function created with compilation errors." Which command can you issue to see the actual error message? (A) SHOW FUNCTION_ERROR (B) SHOW USER_ERRORS (C) SHOW ERRORS (D) SHOW ALL_ERRORS

QUESTION 17 Which four triggering events can cause a trigger to fire? (Choose four) short 1. A specific error or any errors occurs. 2. A database is shut down or started up. 3. A specific user or any user logs on or off. 4. A user executes a CREATE or an ALTER table statement. 5. A user executes a SELECT statement with an ORDER BY clause. 6. A user executes a JOIN statement that uses four or more tables. (A)1234(B)2345(C)1245(D)3456

QUESTION 18 Examine this procedure: CREATE OR REPLACE PROCEDURE ADD_PLAYER (V_ID IN NUMBER, V_LAST_NAME VARCHAR2) IS BEGIN INSERT INTO PLAYER (ID,LAST_NAME) VALUES (V_ID, V_LAST_NAME); COMMIT; END; This procedure must invoke the APD_BAT_STAT procedure and pass a parameter. Which statement, when added to the above procedure will successfully invoke the UPD_BAT_STAT procedure? short (A) EXECUTE UPD_BAT_STAT(V_ID); (B) UPD_BAT_STAT(V_ID); (C) RUN UPD_BAT_STAT(V_ID); (D) START UPD_BAT_STAT(V_ID);

You want to create a PL/SQL block of code that calculates discounts on customer orders. -This code will be invoked from several places, but only within the program unit ORDERTOTAL. What is the most appropriate location to store the code that calculates the discounts? long (A) A stored procedure on the server. (B) A block of code in a PL/SQL library. (C) A standalone procedure on the client machine. (D) A block of code in the body of the program unit ORDERTOTAL. (E) A local subprogram defined within the program unit ORDERTOTAL.

QUESTION 21 Which type of argument passes a value from a procedure to the calling environment? (A) VARCHAR2 (B) BOOLEAN (C) OUT (D) IN

QUESTION 22 You create a DML trigger. For the timing information, which is valid with a DML trigger? (A) DURING (B) INSTEAD (C) ON SHUTDOWN (D) BEFORE (E) ON STATEMENT EXECUTION

QUESTION 23 You are about to change the arguments of the CALC_TEAM_AVG function. Which dictionary view can you query to determine the names of the procedures and functions that invoke the CALC_TEAM_AVG function? (A) USER_PROC_DEPENDS (B) USER_DEPENDENCIES (C) USER_REFERENCES (D) USER_SOURCE

QUESTION 24 A CALL statement inside the trigger body enables you to call ______. (A) A package. (B) A stored function. (C) A stored procedure. (D) Another database trigger.

QUESTION 25 You need to remove the database triggerBUSINESS_HOUR. Which command do you use to remove the trigger in the SQL *Plus environment? short (A) DROP TRIGGER business_hour; (B) DELETE TRIGGER business_hour; (C) REMOVE TRIGGER business_hour; (D) ALTER TRIGGER business_hour REMOVE; (E) DELETE FROM USER_TRIGGERS WHERE TRIGGER_NAME = 'BUSINESS_HOUR';