Question: Given the following relation table R, S, and T as follows: R A B a1 b1 a2 b1 a3 b1 a1 b2 a2 b2 a3
Given the following relation table R, S, and T as follows:
R
| A | B |
a1 | b1 |
a2 | b1 |
a3 | b1 |
a1 | b2 |
a2 | b2 |
a3 | b2 |
a1 | b4 |
a2 | b4 |
S
| A |
a1 |
a3 |
T
| B |
b2 |
b4 |
Please give the result of table S divided by table T (S T).
Group of answer choices
| A |
a1 |
a2 |
Undefined.
| B |
b1 |
b2 |
| B |
b1 |
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a1
b1
a2
b1
a3
b1
a1
b2
a2
b2
a3
b2
a1
b4
a2
b4
a1
a3
b2
b4
a1
a2
b1
b2
b1