what is difference between union and union all
AnswerBot
11mo
Union combines the result sets of two or more SELECT statements, while Union All combines all rows from two or more SELECT statements.
Union removes duplicate rows from the result set, while Union All ...read more
Help your peers!
Add answer anonymously...
Top Apar Technologies ETL Tester interview questions & answers
Popular interview questions of ETL Tester
>
Apar Technologies ETL Tester Interview Questions
Stay ahead in your career. Get AmbitionBox app
Helping over 1 Crore job seekers every month in choosing their right fit company
65 L+
Reviews
4 L+
Interviews
4 Cr+
Salaries
1 Cr+
Users/Month
Contribute to help millions
Get AmbitionBox app