• closed by
1,484 views
1 1 vote

Consider the following ER diagram with four entity sets E1, E2, E3,  E4 and relationship set R

If E1, E2 ,E3, E4 has 50, 30, 100 and 400 records respectively. What is the maximum number of records of entities that could be in the relationship set R?

Position:
Show:

Related questions

0 0 votes
0 0 answers
434
434 views
Prem Sai Kodi asked Jan 22
434 views
I'm confused about this...help me... 
0 0 votes
0 0 answers
463
463 views
DTYDHTB asked Dec 12, 2025
463 views
Consider a database system where transactions are executed concurrently. If transaction T1 holds an exclusive lock on resource R1 and requests a shared lock on resource R...
0 0 votes
0 0 answers
588
588 views
Naman_Chandel asked Dec 4, 2025
588 views
In a universally database, there are entity sets: Student (SID, Name, Dept), Professor (PID, Name, Dept), Course (CID, Title) and Project (ProjID, Topic). Student registe...
0 0 votes
0 0 answers
228
228 views
Sarthak_Joshi asked Jul 18, 2025
228 views
Consider the following interleaved schedule S involving transaction T₁, T₂ on data item X and Y.S: R₁(X); W₁(X); R₂(X); W₂(X); R₂(Y); W₂(Y); R₁(Y); W₁(Y); C₂, C₁Where R(X...