explain about self join
AnswerBot
18d
Self join is a SQL technique where a table is joined with itself to compare rows within the same table.
Self join is used when we want to compare rows within the same table.
It requires aliasing the tab...read more
Help your peers!
Add answer anonymously...
Top HDFC Bank Data Engineer interview questions & answers
Popular interview questions of Data Engineer
Top HR questions asked in HDFC Bank Data Engineer
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