并加以分析说明.3.YouarecodingacomplexPL/SQLblockwhereseveralprocedurescallotherprocedures.Youhaveoneoutermostprocedurethatcallsallotherprocedures.Ifyouwantedtopreventtheuserofoutermostprocedurefromhavingthep

Question

并加以分析说明.
3.You are coding a complex PL/SQL block where several procedures call other procedures .You have one outermost procedure that calls all other procedures .If you wanted to prevent the user of outermost procedure from having the procedure fail due to an unanticipated problem ,you would include which of the following exceptions
A.no_data_found ;
B.others ;
C.zero_divide ;
D.too_many_rows ;
4.You are attempting to develop a PL/SQL application .Which of the following keywords allow you to associate a user-defined error message with an exception condition
A.pragma
B.others
C.Raise_application_error
D.exception

Answer 1

3 B
既然是未预料到的问题,当然是others
4 D
语法如此,不解释