3. Using tables given below, show the results of the following operations given in relational algebra. A a1 a2 a3 a4 c1 c2 4 4 4 8. 12 3 4 6. 7 4 4 12 4 7 B b1 b2 b3 12 4 3 7 4 12 11 4

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GRADE REPORT
STUDENT
Student number
Class
Student_number
Section identifior
Grade
Major
CS
Name
Smith
17
17
112
Brown
2
CS
17
119
85
92
COURSE
102
Course number Credit hours Department
CS1310
Couse name
135
Intro to Computer Science
Data Structures
Discrete Mathematice
Database
CS
CS3320
CS
MATH2410
MATH
PREREQUISITE
CS3380
CS
Course number
CS3380
CS3380
Prerequisite number
CS3320
MATH2410
SECTION
CS3320
CS1310
Section identifier Course number
MATH2410
Semester
Year
Inatructor
85
Fal
07
King
92
CS1310
Fall
07
Anderson
102
CS3320
Spring
08
Knuth
112
MATH2410
Fall
08
Chang
119
CS1310
Fal
08
Anderson
135
CS3380
Fal
08
Stone
Transcribed Image Text:GRADE REPORT STUDENT Student number Class Student_number Section identifior Grade Major CS Name Smith 17 17 112 Brown 2 CS 17 119 85 92 COURSE 102 Course number Credit hours Department CS1310 Couse name 135 Intro to Computer Science Data Structures Discrete Mathematice Database CS CS3320 CS MATH2410 MATH PREREQUISITE CS3380 CS Course number CS3380 CS3380 Prerequisite number CS3320 MATH2410 SECTION CS3320 CS1310 Section identifier Course number MATH2410 Semester Year Inatructor 85 Fal 07 King 92 CS1310 Fall 07 Anderson 102 CS3320 Spring 08 Knuth 112 MATH2410 Fall 08 Chang 119 CS1310 Fal 08 Anderson 135 CS3380 Fal 08 Stone
3.
Using tables given below, show the results of the following operations given in relational
algebra.
A
a1
a2
a3
a4
c1
c2
2
3.
4
5
4
4
8.
12
4
7
4
4
12
4.
7
b1
b2
b3
12
4
3
7
12
11
4
a) Ax(OB.b2>10B)
b) AXA.a4-B.b3 B
c) AN(A.a1=B.b1 AND A.a3=B.b2) B
d) BU(T(a1, a2, a3) A)
e) P (d1, d2, d3)(ct IcoUNT c2, SUM c2 C)
n C+ (P (c2) ( T(a3) A))
f)
ot 767
Transcribed Image Text:3. Using tables given below, show the results of the following operations given in relational algebra. A a1 a2 a3 a4 c1 c2 2 3. 4 5 4 4 8. 12 4 7 4 4 12 4. 7 b1 b2 b3 12 4 3 7 12 11 4 a) Ax(OB.b2>10B) b) AXA.a4-B.b3 B c) AN(A.a1=B.b1 AND A.a3=B.b2) B d) BU(T(a1, a2, a3) A) e) P (d1, d2, d3)(ct IcoUNT c2, SUM c2 C) n C+ (P (c2) ( T(a3) A)) f) ot 767
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