試題詳解

QUESTION 82 Examine the code examples. Which one is correct?
(A) CREATE OR REPLACE TRIGGER authorize_action BEFORE INSERT ON EMPLOYEES CALL log_exectution; /
(B) CREATE OR REPLACE TRIGGER authorize_action BEFORE INSERT ON EMPLOYEES CALL log_exectution /
(C) CREATE OR REPLACE TRIGGER authorize_action BEFORE EMPLOYEES INSERT CALL log_exectution;
(D) CREATE OR REPLACE TRIGGER authorize_action CALL log_exectution; BEFORE INSERT ON EMPLOYEES; /