Show the output of the following relational operations. 1. R1 – R2 2. R1 ∩ R2 3.R1 ∪ R2

Question

                              R1

Reg No	Name	Score
1200	Babu	A
1201	Lulu	A+
1202	Sunu	B

                       R2

Reg No	Name	Score
1203	Biju	D
1201	Lulu	A+

Show the output of the following relational operations. 

1. R₁ – R₂ 

2. R₁ ∩ R₂ 

3.R₁ ∪ R₂

Answer 1

1.

Reg No	Name	Score
1200	Babu	A
1202	sunu	B

2.

Reg No	Name	Score
1201	Lulu	A+

3.

Reg No	Name	Score
1200	Babu	A
1201	Lulu	A+
1202	sunu	B
1203	Biju	D