Exam 1z0-071 All QuestionsBrowse all questions from this exam
Question 66

Examine this statement:

What is returned upon execution?

    Correct Answer: D

Discussion
AzaRzaOption: B

Because both rows are the same, the UNION result gives distinct answers

boddojuOption: B

Option-B is the correct choose

boddoju

my mistake D is the correct answer

Chandru007

yes union all only gives duplicate so it will be 2 rows but union will give 1 row eliminating the duplicates

lucemqyOption: D

Union will get rid of duplicate so only 1 row remaining

HassanMkhlalatiOption: D

It is not union all to return duplicated rows

zouveOption: D

D checked select 1 as id, 'john' as first_name from dual union select 1, 'john' as name from dual order by 1;