Why $lookup , $project , ..ect are used ?
AnswerBot
6mo
They are used in MongoDB aggregation pipeline to perform various operations like joining, filtering, projecting, etc.
Used in MongoDB aggregation pipeline for data manipulation
Perform operations like j...read more
Help your peers!
Add answer anonymously...
Top Devship Mern Full Stack Developer interview questions & answers
Popular interview questions of Mern Full Stack Developer
Top HR questions asked in Devship Mern Full Stack Developer
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