問題詳情

QUESTION 12Examine this code:CREATE OR REPLACE TRIGGER update_empAFTER UPDATE ON empBEGININSERT INTO audit_table (who, dated)VALUES (USER, SYSDATE);END;You issue an UPDATE command in the EMP table that results in changing 10 rows.How many rows are inserted into the AUDIT_TABLE?short
(A)1
(B)10
(C)None
(D)A value equal to the number of rows in the EMP table.

參考答案

答案：A
難度：非常困難0
統計：A(0),B(0),C(1),D(0),E(0)