in Databases
412 views
0 votes
0 votes

 i don't know the actual answer for the question

according to me answer should be A please confirm it

in Databases
412 views

4 Comments

okay
0
0
If you are not adding the source of question you will be blocked from here. tired of warning people :(
2
2
Yeah  @ Shaikh it is correlated query

@raja thnxx for answering I got the same answer
0
0

1 Answer

2 votes
2 votes
Here query is co-related

So, for one external query examine an internal query

taking  sid from student ,sid = 0

year = FY exist but age == 16 : False (not come in final output)(not > 16)

You can check manually for each sid

final output ( 1,2,3)

Correct Anser A

Related questions