Using the relation table R as shown:

A	B	C
a1	b1	c1
a2	b2	c2
a3	b3	c2
a3	b3	c3

What is the result from the following SQL statement?

SELECT C FROM R WHERE B = 'b3'

	a.	C c2 c2 c3
	b.	C c2 c3
	c.	C c1 c2 c3
	d.	C c1 c2 c2 c3

Using the relation table R as shown:

A	B	C
a1	b1	c1
a2	b2	c2
a3	b3	c2
a3	b3	c3

What is the result from the following relational algebra expression? That is, the Project Operation is applied to table R on column C.

That is, the Project Operation is applied to table R on column C.

	a.	C c1 c1 c2 c3
	b.	C c1 c2 c2 c3
	c.	C c1 c2 c3 c3
	d.	C c1 c2 c3