Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
|
Question 530
|
If D1,D2, .. ..Dn are domains in a relational model, then the relation is a table, which is a subset of
|
D1+D2+ … +Dn
|
|
|
D1×D2× … ×Dn
|
|
|
D1∪D2∪ … ∪Dn
|
|
|
D1–D2– … –Dn
|
Question 530 Explanation:
In D1,D2,..,Dn are domains in a relational model, then the relation is a table, which s a subset of D1xD2x..xDn
Correct Answer: B
Question 530 Explanation:
In D1,D2,..,Dn are domains in a relational model, then the relation is a table, which s a subset of D1xD2x..xDn