most asked scenario based sql Interview question & answer | no of Records of 5 types of joins
ฝัง
- เผยแพร่เมื่อ 29 มี.ค. 2023
- SQL Tips and Tricks
In this video we will discuss SQL Join based interview question where you need to tell no of records in output when you are joining of 2 tables.
This question is very important from interview point of view as well join understanding point of view.
It is a must watch concept.
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The same question was asked to me. May be that interviewer watched this video and asked me that question along with the same values. I know about joins concept but could able to answer it.. Thanks for the video.
Thanks for your appreciation
One of the best!
Thanks 🙏
Very nice explanation 👏👏
Thanks,
Please share to others
Nice ❤
Thanks 🙏
Simple ❤️
Thanks 🙏
Please make a video on query optimization step by step
Sure
Good content, in right outer sequence should be 3,3,2,2,2 right or am I doing something wrong. Plz correct me if I am wrong
yes same doubt 3,3,2,2,2,1,1
You are right
Sir Can you please do video on query optimization
Sure
literally was asked twice - paytm and zepto
Yes it's very common question
Yes this is the most common question.
Thanks 🙏
How about space ?
What space??
I didn't get full join
It's multiplication of no of rows in left and right tables.
Eg- 4 rows in left, and 5 rows in right then output will be 4×5=20.
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