Show the results of the follewing orerations given in relational alsekra. A a1 a2 аз a4 2 3 4 1 8 12 3 6 7 4 2 12 4 b1 b2 b3 2 4 4 12 11 4 2 11 C c1 c2 4 4 7 4 4 12 4 7 7 6 7 12 A (OB.b2>10B) 1. ANA.a3=B.b2 B 2. 3. AN A.a4=B.b3 B AN (A.a1=B.b1 AND A.a3=B.b2) 4. В U T( (а1, а2, аз) А) 5. (d1, d2, d3)(c1 COUNT c2, SUM c2 C) 6. A• (P (a1, 12, e3) B) C+ (P(c2) ( T (a3) A)) 7. 8.

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Show the results of the follewing oRerations given in relational algebra.
A
a1
a2
a3
a4
2
3
4
1
8
12
3
6
7
4
9
12
B
b1
b2
b3
2
4
3
4
12
11
4
11
c1
c2
4
4
7
4
4
12
4
7
7
7
12
A (O B.b2>10B)
1.
ANA.a3=B.b2 B
2.
AX A.a4=B.b3 B
3.
4.
AN (A.a1=B.b1 AND A.a3=B.b2) B
В
U T( (a1, a2, a3) A)
5.
6.
(d1, d2, d3) (c1 COUNT c2, SUM c2 C)
A (P (a1, i2, e3) B)
7.
*
C÷ (P(c2) ( T(a3) A))
8.
Transcribed Image Text:Show the results of the follewing oRerations given in relational algebra. A a1 a2 a3 a4 2 3 4 1 8 12 3 6 7 4 9 12 B b1 b2 b3 2 4 3 4 12 11 4 11 c1 c2 4 4 7 4 4 12 4 7 7 7 12 A (O B.b2>10B) 1. ANA.a3=B.b2 B 2. AX A.a4=B.b3 B 3. 4. AN (A.a1=B.b1 AND A.a3=B.b2) B В U T( (a1, a2, a3) A) 5. 6. (d1, d2, d3) (c1 COUNT c2, SUM c2 C) A (P (a1, i2, e3) B) 7. * C÷ (P(c2) ( T(a3) A)) 8.
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